View over Colombo from the Lotus Tower, Colombo, Sri Lanka

Aerial view over city including Basilique du Sacre-Coeur, Paris, France

Rooftop view over London on a foggy day from St. Paul's Cathedral, London, England, United Kingdom

People at viewpoint at Rhine Falls, Schaffhausen, Switzerland, Europe

Two women on the beach, Praia Dona Ana in Lagos, Algarve, Portugal, Europe

Police officer with a video camera filming his colleagues on duty at a NPD rally in Ulm, Baden-Wuerttemberg, Germany, Europe

Surveillance camera on a red wall.

Infrared Telescope Facility, IRTF, telescope for infrared astronomy at the Mauna Kea Observatory on the summit of the Mauna Kea volcano, 4205m, with clouds below, summit of the Haleakala volcano on the Island of Maui at back, Mauna Kea, Hawaii, USA

Above the clouds on the rim of the Volcano de Taburiente, La Palma, Canaray Islands, Spain, Europe

Signpost above the clouds on the rim of the Volcano de Taburiente, La Palma, Canaray Islands, Spain, Europe