An adult Amazonian poison frog (Dendrobates ventrimaculatus), on the Maranon River, near Iquitos, Peru, South America

Close up of an Orthodox Jew holding prayer book against the wall and praying, Western Wall, Jerusalem, Israel, Middle East

An adult red-backed poison frog (Ranitomeya reticulata) on the Maranon River, near Iquitos, Peru, South America

Man holding a piranha (Serrasalmidae) in his hand in the Pantanal, Brazil, South America

Close-up of a diamond cutter in Amsterdam, Netherlands, Holland

Usain Bolt after winning Men's 200m final, with finger to lips, Stadium, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

Usain Bolt crosses line with finger to lips, looks at Yohan Blake, Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Usain Bolt crosses line with finger to lips, looks at Yohan Blake, Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Indian groom passing wedding ring on his bride's finger

Jamaica. Father carl clark preaching at sunday mass in the catholic church at seaford town

Kailash, tibe

Healthcare, uk. South london. The charity mainliners offers acupuncture therapy to ex-drug addicts at a centre

Jamaica. Father carl clark preaching at sunday mass in the catholic church at seaford town

Cambodia hands of 80-year-old man, kampong cham

An armed policeman outside the House of Commons, Houses of Parliament, Westminster, London, England, United Kingdom, Europe

Dead Mens Fingers (Alcyonium digitatum), clump of yellow/orange dead men's fingers with polyps retracted, St Abbs, Scotland, UK North Sea

Grey Top Shell, (Gibbula cineraria), single snail showing tentacles on dead men's fingers soft coral, St Abbs, Scotland, UK North Sea

An armed policeman outside the House of Commons, Houses of Parliament, Westminster, London, England, United Kingdom, Europe

Pink Shrimp (Palaemon montagui), sitting on dead men's fingers soft coral clearly showing reddish pink markings on head, St Abbs, Scotland, UK North Sea

Dead Mens Finger (Alcyonium digitatum), detail of polyp, Eyemouth, Scotland, UK North Sea

Dead men's Fingers (Alcyonium digitatum), orange-coloured stubby soft coral, St Abbs, Scotland, UK

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Monks at Angkor Wat Temple, Unesco World Cultural Heritage, Angkor, Cambodia

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Competition, Alpine Finger Wrestling Championship, Antdorf, Upper Bavaria, Germany

Street Musicians, Sao Luis, Sao Luis, Maranhao, Sao LuÃŒs Island, Brazil

Man with Purge mask in car, giving sign with fingers, Frankfurt am Main, Hesse, Germany, Europe

Person with elbow pain, concept of a people with elbow pain from rheumatism, shirtless man massaging sore elbow, man with elbow cramp

Three Fingers, Indians of the Cheyenne tribe, after a picture by F.A.Rinehart, 1899, Historic, digitally restored reproduction of an original from the period

Happy doctor showing cell phone screen to camera. Smiling doctor showing cell phone screen pointing finger isolated

Indian bride passing wedding ring on her groom's finger

Swabian cuisine, preparing hearty snail pasta, topping raw yeast dough, herbs, onions, sour cream, cooked ham, grated hard cheese, sprinkle with cheese, small hearty snail pasta, salty yeast pastry, yeast dough, bake, out of the oven, typical Swabian reinterpreted, party pastry, finger food, snacks for on the go, traditional cuisine, food photography, studio, mans hand, Germany, Europe

Swabian cuisine, preparing hearty snail pasta, topping raw yeast dough, herbs, onions, sour cream, cooked ham, small hearty snail pasta, salty yeast pastry, yeast dough, baking, from the oven, typical Swabian reinterpreted, party pastry, finger food, appetisers for on the go, traditional cuisine, food photography, studio, mens hands, Germany, Europe

Frontal view of a musician playing the piano in a production studio

Swabian cuisine, preparing hearty snail pasta, topping raw yeast dough, herbs, onions, sour cream, small hearty snail pasta, salty yeast pastry, yeast dough, bake, out of the oven, typical Swabian reinterpreted, party pastry, finger food, appetisers for on the go, traditional cuisine, food photography, studio, mans hand, Germany, Europe

Block printing, finger checking consistency of red color on plate, Bad Aussee, Styria, Austria, Europe

Close up of two hands together in a heart shape, hands together in a heart shape, young man putting fingers together in a heart shape

Afghan men vote on the day of presidential and provincial elections in Mazar-i Sharif, Afghanistan, August 20 2009

A group of travellers trace their trip on a map; Bled, Slovenia

Close-up of the clasped hands of a mixed race couple, holding hands and spending quality time together during a fall family outing in a city park, Edmonton, Alberta, Canada

Close-up of the clasped hands of a mixed race couple, holding hands and spending quality time together during a fall family outing in a city park, Edmonton, Alberta, Canada

Finger Soft Coral between Encrusting Sponge, Alcyonium palmatum, Spirastrella cunctatrix, La Vaca, Medes Islands, Costa Brava, Mediterranean Sea, Spain