NASA’s DHC-3 Otter plane flies in Operation IceBridge-Alaska surveys of mountain glaciers in Alaska, USA. Reuters Archive.

Photo by NASA

Measurement instruments installed by students of the Federal Institute of Technology in Zurich (EPFZ) are pictured on the Rhone glacier at Furka, Switzerland. Reuters Archive.

Photo by Denis Balibouse

Italian Navy helicopter pilot Commander Gianluca Arlotta sits in a flight simulator, of a recreated scenario of the Costa Concordia on the night of the tragedy, at the Italian navy airbase at Luni, northern Italy. Reuters Archive.

Photo by Alessandro Bianchi

A worker smells a French Camembert cheese in a cellar after the maturing process in a cheese dairy of La Ferme de la Heronniere in Camembert village, northwestern France. Reuters Archive.

Photo Regis Duvignau

A cheesemaker brushes Swiss cave-aged Gruyere cheese in a cave in Kaltbach, near Lucerne, Switzerland. Reuters Archive.

Photo by Michael Buholzer

Cheese maker and farmer Jacques Murith splits the curds during cheese making process at the Tsermon mountain pasture chalet in Gruyeres, western Switzerland. Reuters Archive.

Photo by Denis Balibouse

A man dressed as an orangutan sits next to members of the press during media day at the Chelsea Flower Show in London, England. Reuters Archive.

Photo by Stefan Wermuth

People sleep on the floor as they queue up for the opening of a new Apple Store in Hangzhou, Zhejiang province, China. Reuters Archive.

Photo by China Stringer Network

Participants hang from ropes as they learn how to use safety gears at an experience centre for construction safety training in Beijing, China. Reuters Archive.

Photo by Kim Kyung Hoon

A notebook of British mathematician and pioneer in computer science Alan Turing is displayed during an auction preview in Hong Kong, China. Reuters Archive.

Photo by Bobby Yip

A model takes a nap backstage before the Hempel Award 23rd China International Young Fashion Designers Contest show at China Fashion Week in Beijing. Reuters Archive.

Photo by Sukree Sukplang

London 2012 Olympic Games Judo bronze medallist Rafael Silva of Brazil gets electrodes applied on his body at the Sleep Institute in Sao Paulo, Brazil. Reuters Archive.

Photo by Lucy Nicholson

A man trains his cockerel at a fighting cock breeding center on the outskirts of Havana, Cuba. Reuters Archive.

Photo by Desmond Boylan

A stuntman rides a motorcycle inside the «Well of Death» attraction during a fair in Bhaktapur, Nepal. Reuters Archive.

Photo by Navesh Chitrakar

American cockroaches (Periplaneta americana), on which radio tags are attached, take shelter under a red plastic circle inside an arena used for an experiment on the behavior analysing personality in the context of collective dynamics of these insects, at the Universite libre de Bruxelles (ULB) in Brussels. Reuters Archive.

Photo by Yves Herman