Women play on a swing during a swing festival in Huayin, Shaanxi province, China. Reuters archive.

Children play at a playground in the shanty town of Ticlio Chico, Villa Maria del Triunfo, on the outskirts of Lima, Peru. Reuters archive.

Iraqis play dominoes after working hard in a workshop for separating gold and silver from industrial waste in Baghdad, Iraq. Reuters archive.

A crawfish holds on to a miniature soccer ball filled with food in a tank which has been decorated as a football pitch, at the Sea Life Aquarium in Berlin, Germany. Reuters archive.

Children play on a boat on the shores of Lake Xolotlan, also known as Managua Lake, in Managua, Nicaragua. Reuters archive.

A boy slides down a water chute in a public swimming pool in Thun, Switzerland. Reuters archive.

A technician operates a A330-200 passenger plane flight simulator at the Lufthansa Flight Training (LFT) centre in Berlin, Germany. Reuters archive.

Crew members check the Solar Impulse plane after it landed following a 19-hour flight from Madrid at Rabat’s International airport, Morocco. Reuters archive.

Valery Trunov, Russian chief instructor, shows his ‘strength’ as he holds American astronauts Shanon Lucitte and John Blaha (C) and Russian cosmonaut candidate Nadezhda Kuzhelnaya (2nd from L) and their support crew during freefall exercises aboard an Ilyushin-76 plane wich goes into a steep dive to simulate weightlessness. Reuters archive.

An artist applies paint to an idol of the Hindu goddess Durga at a workshop in New Delhi, India. Reuters archive.

Construction cranes dominate the sky next to the Washington Monument in Washington, U.S.A. Reuters archive.

A construction worker examines the ‘Echolot’ (sonar), a giant wooden pavilion during the official press preview for the yearly German horticultural show ‘Bundesgartenschau 2011’ in Koblenz, Germany. Reuters archive.

People sit in the sauna during the European Sauna Marathon in Otepaa, Estonia. Reuters archive.

A falconer Aset Radzhapov holds a golden eagle during a festival of native craftsmanship in the settlement of Manzhylyk-Ata on the bank of the River Issyk-Kulya, Kyrgyzstan. Reuters archive.

A replica of pre-historic drawings showing animals is seen on a wall at the site of the Cavern of Pont-d’Arc project in Vallon Pont d’Arc, France. Reuters archive.