Portrait of an Uzbek woman with gold teeth in the main food market, Samarkand, Uzbekistan, Central Asia, Asia

Bedouin woman with gold teeth and tattoo, Syria, Middle East

Fisherman in traditional coolie hat by the Li River, Guilin, China

Chinese man wearing fur hat in Guilin, China

Ananta Naganaj figurehead at the Royal Barge Museum in Bangkok, Thailand

Typical nomadic jewellery, Yushu, Qinghai, China, Asia

Young woman wearing typical amber jewellery, Yushu Horse Fair, Qinghai Province, China, Asia

Decorated prows of the royal barges, Bangkok, Thailand, Southeast Asia, Asia

Boys panning in the Bagmati River for gold from teeth and jewellery, after the remains of funeral pyres are tipped into the river, Pashupatinath Temple, UNESCO World Heritage Site, Kathmandu, Nepal, Asia

Boys panning in the Bagmati River for gold from teeth and jewellery, after the remains of funeral pyres are tipped into the river, Pashupatinath Temple, UNESCO World Heritage Site, Kathmandu, Nepal, Asia

An elderly Uzbek woman with gold teeth, Shakhrisabz, Uzbekistan

Close-up of female cheetah (Acinonyx jubatus) yawning at camera, Serengeti, Tanzania

Portrait of a young, male lion (Panthera leo) standing on savanna, staring at the camera, licking his lips, Laikipia, Kenya

Gold Artifacts Moche (Mochica) Culture, 100 to 700AD, NCoast artifact from the Lord of Sipan Tomb, c300AD, gilded copper feline head with shell teeth, Peru

La Tolita Culture, c 500BC to 500AD Gold Ornamental mask, in the collection of the Banco Central de Ecuador in Quito, Ecuador