Hungary, Pest County, Budapest, cropped view of participant in charity walk in aid of Alzheimers disease victims at Memory Bridge also known as the Chain Bridge.

Hungary, Pest County, Budapest, participant in charity walk in aid of Alzheimers disease sufferers at Memory Bridge also known as the Chain Bridge.

Ghana, Dixcove, Child holding drinking cup standing beside open sewer through street centre.

Botswana, Nywane Dam, Dam wall and high water level.

Egypt, Cairo, People standing beside rubbish tip in the Imbaba area of the city.

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

China, Gansu, Lanzhou, Liujiaxia gorge and dam on the Yellow River.

Africa, Aids victim in bed.

Findon village Sheep Fair People walking through a foot bath at a Bio Security Point to help prevent spread of foot and mouth disease.Great Britain Northern Europe UK United Kingdom British Isles Eur...

Gion District Yasaka Shrine. Performance of the Dance of the White Herons believed to have originated in the ninth century as a feature of Shinto rituals to rid Kyoto of disease remains part of the...

Gion District Yasaka Shrine. Performance of the Dance of the White Herons in outside courtyard watched by large crowd. Believed to have originated in the ninth century as a feature of Shinto ritual...

Women filtering water to prevent guinea worm a parasitic disease contracted when contaminated water is consumed and which can infect stagnant water.West Africa