Ghana, Akosombo Dam, View south across the Akosombo Dam.

Environment, Energy, Solar Power, Reflection in a large tilting mirror used to direct the sunlight on to a solar panelled tower at a Solar Power plant in Almeria, Spain.

Woman and child rock climbing wearing red safety helmets in North Wales

Bund low rock walls built to prevent soil erosion by flash floods. Stones are placed along the contours on gentle slopes. Sometimes the bunds are reinforced by planting tough grasses along the lines....

Bund low rock walls built to prevent soil erosion by flash floods. Stones are placed along the contours on gentle slopes. Sometimes the bunds are reinforced by planting tough grasses along the lines....

Osirid columns in front of temple with head of statue on ground

Akosombo dam on the River Volta completed in 1965

Waste water re-use project. Pipeline through cultivated area in the Jordanian desert