Elderly man playing the sitar beside the Ganges (Ganga) River, Varanasi (Benares), Uttar Pradesh State, India

Portrait of an elderly man playing the sitar, India

Elderly man playing a sitar by the Ganges (Ganga) River, Varanasi (Benares), Uttar Pradesh State, India

Elderly man playing the sitar beside the Ganges (Ganga) River, Varanasi (Benares), Uttar Pradesh State, India

Portrait of an elderly Hakka woman, Hong Kong, China

Aborigine man, Australia

The blue town, Jodhpur, Rajasthan, India

Portrait of an Indian Sadhu, Pashupatinath, Katmandu, Nepal

Portrait of an Indian Sadhu, Katmandu, Nepal

Buddhist Todai-ji Temple, image of Binzuru - touching it is supposed to cure illness, Nara, Japan

Portrait of an elderly musician from the Naxi orchestra practising by the Black Dragon Pool, Lijiang, Yunnan Province, China, Asia

Elderly men playing chess, Lyab-i-Khauz, Bukhara, Uzbekistan, Central Asia, Asia

Portrait of old Chinese woman, Tanzhe Temple, Beijing, China, Asia

Old man in profile, smoking cigar, Trinidad, Cuba, West Indies, Central America

Old man smoking cigar, Trinidad, Cuba, West Indies, Central America

Portrait of an old man, Trinidad, Cuba, West Indies, Central America

Elderly men posing with cigars, Havana, Cuba, West Indies, Central America

Old man walking down shady street in traditional white robes, Stone Town, Zanzibar, Tanzania, East Africa, Africa

Old woman with cheroot, Ywama, Shan State, Inle Lake, Myanmar (Burma), Asia

A smiling bearded Indian sadhu wears an orange bandana in Varanasi, Uttar Pradesh, India, Asia

Old Chinese men playing chequers, Hong Kong, China, Asia

Tsheri Om leans out of her farmhouse window, Phobjika Valley, Bhutan, Asia

Kuna indigenous woman sewing a mola in the San Blas Islands, Panama, Central America

Morning exercises in front of the wooden pagoda on the main square, Zhangye, Gansu Province, China, Asia

Riverside cooking at the Damnoen Saduak Floating River Market, Bangkok, Thailand, Southeast Asia, Asia

A priest at the Church of the Nativity of the Virgin Mother at Rila Monastery, UNESCO World Heritage Site, Bulgaria, Europe

Roman Catholic Mass, Eucharist celebration, Saint-Nicolas de Veroce Church, Haute-Savoie, France, Europe

Portrait of an elderly Miao man, Guizhou Province, China, Asia

Old Tibetan man wearing typical hat during Losar (Tibetan New Year), Bodhnath, Katmandu, Nepal

Portrait of an elderly musician, Havana, Cuba, West Indies, Central America

The pretty town of Gaios, the main port and harbour on the island, Paxos, Ionian Islands, Greek Islands, Greece, Europe

Elderly men sitting with donkey at the street, Trinidad, Sancti Spiritus Province, Cuba, West Indies, Caribbean, Central America

Portrait of an elderly cowboy, Trinidad, Cuba, West Indies, Central America

Sikh Shrine, Pakistan, Asia

Portrait of two elderly Buddhist monks, Ganden monastery, Tibet, China, Asia

Verreaux's Sifaka (Propithecus verreauxi), an elderly granddad, in dry deciduous forest, Berenty Reserve, Southern Madagascar, Africa

Old woman weaving scarves at her loom, Luang Prabang, Laos, Indochina, Southeast Asia, Asia

Elderly woman stringing marigold flowers into garlands in the market, Bangalore, Karnataka, India, Asia

Women sewing, Bhaktapur, Nepal

Once a small fishing village on the tiny island of Ona, now summer cabins with only a handful of year-round elderly residents, Ona, Sandoy, Norway, Scandinavia, Europe

Portrait of an elderly musician, Havana, Cuba, West Indies, Central America

Church of San Vito in Urbe, Mazara del Vallo, Trapani, Sicily, Italy, Europe

Portrait of an elderly woman, Hoi An, Vietnam, Indochina, Southeast Asia, Asia

Old lady selling embroidery in the walled medieval town of Obidos, declared national monument, Estremadura, Portugal, Europe

Old men playing dominos on street in Trinidad, Cuba, West Indies, Central America

Portrait of an elderly woman, Hoi An, Vietnam, Indochina, Southeast Asia, Asia

The Bridge of Tiberius, Rimini, Emilia Romagna, Italy, Europe

Parishioners leaving church, Annecy, Haute Savoie, France, Europe

Portrait of an elderly woman, Hoi An, Vietnam, Indochina, Southeast Asia, Asia

Piata Sfatului, the centre of medieval Brasov, Council House (Casa Sfatului) dating from 1420 topped by a Trumpeter's Tower, and old city hall now housing the Brasov Historical Museum, Brasov, Transylvania, Romania, Europe

Bathers playing chess in the water at the Szechenyi Baths in Budapest, Hungary, Europe

Portrait of an Ainu man in a group in traditional dress at the Marimo festival at Akan Kohan, Hokkaido, Japan, Asia

An old lady looking out her window, Batumi, Georgia, Eurasia

Native Huaorani people at Yasuni National Park, Amazon, Ecuador, South America

Two Cuban men in vintage forties clothes and smoking cigars while waiting for tourist photographers in Plaza de la Catedral, Habana Viejo, Havana, Cuba, West Indies, Central America

An old Cuban man smoking a cigar in Trinidad, Cuba, West Indies, Central America

Apatani grandmother and child in Apatani tribal village street of traditional bamboo built houses, Ziro, Arunachal Pradesh, India, Asia

Silhouette of Orthodox priest, Old Walled City, Jerusalem, Israel, Middle East

An elderly woman stands in front of a whitewashed house covered in blue plant pots in Mijas Pueblo, Andalusia, Spain, Europe

Pundit cum caretaker of holy rock from the Brahmaputra, painted black, in the village Shiva temple on the Brahmaputra riverbank, Assam, India, Asia

Elderly village woman outside her house wearing white sari denoting her status as a widow, Bijaynagar, rural Assam, India, Asia

An elderly woman working in water filled rice terraces with fish traps, Tulgao Village near Tinglayan, The Cordillera Mountains, Kalinga Province, Luzon Island, Philippines, Southeast Asia, Asia

An elderly woman working in water filled rice terraces with fish traps, Tulgao Village near Tinglayan, The Cordillera Mountains, Kalinga Province, Luzon Island, Philippines, Southeast Asia, Asia

Naga Konyak tribal headhunter with traditional tattooed face, deer horn earrings, animal teeth and beads, elephant tusk armbands, Ngangting, Nagaland, India, Asia

Naga Konyak tribal headhunter with traditional tattooed face, deer horn earrings, animal teeth and beads and elephant tusk armbands, Ngangting, Nagaland, India, Asia

Naga Konyak tribal head hunter with traditional headhunter necklace with brass heads, bamboo earrings, elephant tusk armbands, Ngangting, Nagaland, India, Asia

Cycle rickshaw passing row of Ganesh deities made from mud from the Brahmaputra River in preparation for Durga puja celebrations, Guwahati, Assam, India, Asia

Bedouin man playing stringed instrument, Beida (Al Baidha) (Little Petra), Jordan, Middle East

Gadaba tribeswoman in traditional dress with large earrings and necklaces denoting her tribe, Onukudelli, Orissa, India, Asia

Western Wall (Wailing Wall) with worshipper, Jerusalem, Israel, Middle East

French Quarter second line parade led by the Grand Marshall, French Quarter, New Orleans, Louisiana, United States of America, North America

Holy man (Saddhu) with red cotton rolimoli on wrist and tilak mark on forehead denoting devotion to Hindu god Vishnu, Udaipur, Rajasthan, India, Asia

Holy man (Saddhu) with red cotton rolimoli on wrist and tilak mark on forehead denoting devotion to Hindu god Vishnu, Udaipur, Rajasthan, India, Asia

Village chai wallah (teamaker) makes the first brew of the day, Kurua village, Assam, India, Asia

Vishnaivite holy man sitting cross legged, preparing for morning puja, applying sandalwood tilaks on forehead and arms, wearing simple white dhoti and sacred Hindu string, Patna, Bihar, India, Asia

Old Bedouin man in Wahiba Sands, Sultanate of Oman, Arabian Peninsula

Early morning exercise class for the elderly in Limassol, Cyprus, Mediterranean, Europe

Portrait of Ethiopian senior man with traditional clothing and stick, Abala, Afar Region, Ethiopia, Africa

Mali tribeswoman with gold nose rings in Mali weekly tribal market, Guneipada, Koraput district, Orissa (Odisha), India, Asia

Subji wallah (vegetable seller) sitting at his beautifully laid out vegetable stall in the market, Ahmedabad, Gujarat, India, Asia

Traditional decorative Newari hand carved wood windows and architecture on a temple in an historical little village, Nuwacot, Nepal, Asia

A old Nepali man makes a traditional basket by weaving bamboo, Kathmandu Valley, Nepal, Asia

Orthodox priest admiring Gheralta Mountains from the entrance of Abuna Yemata Guh church, Tigray Region, Ethiopia, Africa

Ethiopian Orthodox priest holding the hand cross at entrance of Abuna Yemata Guh church, Gheralta Mountains, Tigray, Ethiopia, Africa

Priest holding the hand cross on rocks outside Abuna Yemata Guh church, Gheralta Mountains, Tigray Region, Ethiopia, Africa

Priest holding the hand cross on rocks outside Abuna Yemata Guh church, Gheralta Mountains, Tigray Region, Ethiopia, Africa

Rear view of priest walking on access trail to the rock-hewn Abuna Yemata Guh church, Gheralta Mountains, Tigray region, Ethiopia, Africa

Ethiopian priest leaning on steep rocks leading to Abuna Yemata Guh church, Gheralta Mountains, Tigray Region, Ethiopia, Africa

Priest looking out from a small window carved into rocks in Abuna Yemata Guh church, Gheralta Mountains, Tigray Region, Ethiopia, Africa

Colourful busker, Galway, County Galway, Connacht, Republic of Ireland, Europe

Portrait of senior man holding wheat in hands, Wollo Province, Amhara Region, Ethiopia, Africa

Orthodox priest holding an old Bible with hand-painted saints, Abuna Yemata Guh church, Gheralta Mountains,Tigray Region, Ethiopia, Africa

Pope Francis prays with priests at the end of a limited public audience at the San Damaso courtyard in The Vatican, Rome, Lazio, Italy, Europe

Two Desia Kondh tribal women squatting outside their village house holding welcome bowl of ash, Bissam Cuttack, Orissa, India, Asia

Travelling saddhu dressed in holy colour orange, resting beneath a village tree, Bhubaneshwar, Orissa, India, Asia

Young man stirring milk for chai, with blind man sitting beside him, roadside chai stall, Dangiyawas, Rajasthan, India, Asia

Bihari villager, a Vishnaivite devotee with tilak on his forehead indicating the Hindu god Vishnu, wearing orange clothing for visit to the Vishnu temple at Sonepur Cattle Fair, near Patna, Bihar, India, Asia

View of shopping street in Knareborough town centre, Knaresborough, North Yorkshire, England, United Kingdom, Europe

Old woman of the Jiye tribe smoking a pipe, Eastern Equatoria State, South Sudan, Africa

Sadhu (holy man) at Hindu pilgrimage site, Pashupatinath, Kathmandu, Nepal, Asia