The Arizona-Mexico border fence is seen near Naco, Arizona,U.S.. Reuters Archive. Photo by Samantha Sais

Tourists and hotel employees look on as a group of Iranian migrants rests to recover after arriving by paddling an engineless dinghy from the Turkish coast at a beach on the Greek island of Kos. Reuters Archive. Photo by Yannis Behrakis

Members of staff from the Diwan Palace stand holding pots of tea as Qatar’s Emir Sheikh Tamim bin Hamad al-Thani meets with US Secretary of State John Kerry in Doha. Reuters Archive. Photo by Brendan Smialowski

Tourists take pictures at Mai Khao Beach, as a plane approaches the Phuket International Airport in Phuket, Thailand. Reuters Archive. Photo by Athit Perawongmetha

«Solar Impulse 2», a solar-powered plane piloted by Bertrand Piccard of Switzerland, flies over the Golden Gate bridge in San Francisco, California, U.S.. Reuters Archive. Photo by Jean Revillard/Solar Impulse/Handout

An inflatable doll is shown by an inmate in one of the pavilions at La Joya prison on the outskirts of Panama City, Panama. Reuters Archive. Photo by Carlos Jasso

Steam rises where lava flows into the sea from a hillside, as viewed by a Civil Protection aircraft flying over the volcanic Italian island of Stromboli. Reuters Archive. Photo by Protezione Civile Italiana/Handout

Firemen try to extinguish a fully developed fire in a housing estate in Huskvarna, Sweden,. Reuters Archive. Photo by Anna Hallams

A man removes water from his shoe as he sits on a mining truck tyre in Copiapo city, Chile. Reuters Archive. Photo by Ivan Alvarado.

A commuter yawns on a Circular Quay-bound inner-harbour ferry as the Manly Ferry ‘Freshwater’ is reflected while it passes by the Sydney Opera House. Reuters Archive. Photo by Jason Reed

A clay pot full of water is thrown from a balcony during the Greek Orthodox Easter tradition of «Botides» on Holy Saturday marking the so-called «First Resurrection», on the island of Corfu, Greece. Reuters Archive. Photo by Alkis Konstantinidis

Fire burns part of an estimated 105 tonnes of ivory and a tonne of rhino horn confiscated from smugglers and poachers at the Nairobi National Park near Nairobi, Kenya. Reuters Archive. Photo by Siegfried Modola

Revelers sleep in the ‘hammock hangout’ area during the Firefly Music Festival in Dover, Delaware, U.S.A. Reuters Archive. Photo by Mark Makela