Tourists wait to take a cruise towards the disputed Spratley Islands in the South China Sea, at a terminal in Sanya.

Tourists wait to take a cruise towards the disputed Spratley Islands in the South China Sea, at a terminal in Sanya.

A tourist has her photo taken while waiting to take a cruise towards the disputed Spratley Islands in the South China Sea, at a terminal in Sanya.

A tourist has her photo taken while waiting to take a cruise towards the disputed Spratley Islands in the South China Sea, at a terminal in Sanya.

A huge crack cleaves the sea ice of Disko Bay into huge floating islands of ice. Locals claim that such an occurrence is a recent phenomenon which wasn't seen 20 years ago. It has also been suggested...

Huge cracks cleave the sea ice of Disko Bay into huge floating islands. Locals claim that this breaking up of the winter ice is a recent phenomenon which wasn't seen 20 years ago. It has also been sug...

Huge cracks cleave the sea ice of Disko Bay into huge floating islands. Locals claim that this breaking up of the winter ice is a recent phenomenon which wasn't seen 20 years ago. It has also been sug...

A huge crack cleaves the sea ice of Disko Bay into huge floating islands of ice. Locals claim that such an occurrence is a recent phenomenon which wasn't seen 20 years ago. It has also been suggested...

Huge cracks cleave the sea ice of Disko Bay into huge floating islands. Locals claim that this breaking up of the winter ice is a recent phenomenon which wasn't seen 20 years ago. It has also been sug...

An empty and decrepit swimming pool seen from above at Residencial Origo Mare, in La Oliva, Fuerteventura.

An abandoned housing complex in Mal Nombre.

An empty and decrepit swimming pool seen from above at Residencial Origo Mare, in La Oliva, Fuerteventura.

Full moon above Khuzhir on Olkhon island.

Housing on islands in the Angara River. To avoid them flooding, the Irkutsk hydroelectric power station restricts the discharge of water into the river. This leads to a rise in the water level in Lake...

A large outrigger sailing boat from the island of Luf, Papua New Guinea, dating from 1895, and an outrigger boat from the Santa Cruz Islands, Solomon Islands, on display during a press preview prior t...