FireFighter team ready to intervene at the landing of a helicopter near the Maraya Theatre, in AlUla's Ashar Valley, Medina Province, Saudi Arabia

Traditional Ger dancers at The Maharana's City Palace for annual Hindu Holi Fire Festival by The Zenana Mahal, Udaipur, Rajasthan, India.

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India. With him is wife Maharani Vijaya Laxmi and son and heir Lakshyaraj Singh Mewar of Udaipur, Maharaj Kumar

Red carpet being cleaned ready for VIP arrival in Cameroon, West Africa

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India. With him is wife Maharani Vijaya Laxmi and son and heir Lakshyaraj Singh Mewar of Udaipur, Maharaj Kumar

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India. On his right is son Lakshyaraj Singh Mewar of Udaipur, Maharaj Kumar.

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India.

Young boys putting shoes and socks back on after visiting Shah Alam muslim mosque in Kuala Lumpur, Malaysia

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India. With him is son and heir Lakshyaraj Singh Mewar of Udaipur, Maharaj Kumar and Hindu priests

Shriji Arvind Singh Mewar of Udaipur, 76th Custodian of the House of Mewar, presides at annual Hindu Holi Fire Festival at The Zenana Mahal in the City Palace, Udaipur, Rajasthan, India. On his right is son Lakshyaraj Singh Mewar of Udaipur, Maharaj Kumar.

Guard of Honour wearing bearskins lining up for a military parade in London

Lifeguard of the Household Cavalry, England, UK

The Household Cavalry, the Life Guards (Lifeguards) mounted cavalry parading in London

Grenadier Guards marching during a military parade in London, UK

King Bhumibol Adulyadej poster celebrating 60th anniversary of his reign, Bangkok, Thailand

Guard of Honour parade of guardsmen soldiers on Horse Guards Parade in London, England

Lifeguard of the Household Cavalry, England, UK

Yeomen of the Guard in traditional livery uniform, England UK

Yeomen of the Guard in traditional livery uniform, England UK

Policeman watches red carpet being laid outside number 10 Downing Street, the home of the Prime Minister, London, UK.

A back view of the Irish Guards uniform worn on parade in London, UK

Blues and Royals Regiment of the Household Cavalry, England, UK

The Household Division Foot Guards guardsmen standing at attention on parade in London, UK

US Marines at Arlington National Cemetery in Washington DC, United States of America

Lifeguard of the Household Cavalry, England, UK

The Household Division Irish Guards on parade under inspection by senior officer in London, UK

Guard of Honour parade of guardsmen soldiers on Horse Guards Parade in London, England

Lady Mayor of Westminster at the Central Hall of Westminster, London, England

Foot Guards guardsmen parading in London

Microbiologist showering in BSL-4

Policeman drawing a speeding ticket, Highway 6, West Coast, South Island, New Zealand, Oceania

Policeman drawing a speeding ticket, Highway 6, West Coast, South Island, New Zealand, Oceania

Sign, Skype, Internet cafe, Pokhara, Nepal, Asia

Phone and internet access, Hartsfield-Jackson Atlanta International Airport, Atlanta Airport, Atlanta, USA, North America

Lab technician with sample in petri dish works in a lab with lab equipment and writes protocol, Freiburg, Baden-Wuerttemberg, Germany, Europe

Young lab technician with sample on petridish working in a lab with lab equipment and protocol, Freiburg, Baden-Wuerttemberg, Germany, Europe

Scanning a protocol in a laboratory, Freiburg, Baden- Wuerttemberg, Germany, Europe

Histological preparations in the laboratory with protocol, Freiburg, Baden-Wuerttemberg, Germany, Europe

Triton (Charonia lampas), off M?dic, Morocco. Species listed in Appendix II to the Barcelona Convention (Protocol concerning specially protected areas and biological diversity in the Mediterranean)