Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as Save our Earth by Artist Indiano.

Germany, Berlin, The East Side Gallery, a 1.3 km long section of the Berlin Wall, Mural known as 'Save our Earth' by Artist Indiano.

England, London, Tower Bridge with the Olympic rings celebrating the 2012 games.

England, London, Tower Bridge, with the Olympic rings celebrating the 2012 Olympic Games.

England, London, The Olympic rings, celebrating the 2012 Olympic Games, suspended from Tower Bridge.

Banking, Finance, money, A mixture of World bank notes.

Banking, Finance, Money, A mixture of World bank notes.

Military, Equipment, Naval, Royal navy radar display showing HMS Shoreham moored in Shoreham harbour.

Papua New Guinea, Environment, Deforestation of hillside for agricultural use. Aerial view over terraces and surrounding forest.

China, Sichuan, Gongxian County, Landscape with reforestation project area.

Environment, Reforestation, Replanting of trees in deforested area. Young saplings in protective tubing growing in area of deciduous trees.

Ecuador, Woman with eucalyptus saplings to be used in reforestation project near Cuenca.