Pakistani Air Force pilots leave colour trails in the sky during a full dress rehearsal for the Pakistan Day parade in Islamabad. Pakistani Air Force pilots leave colour trails in the sky during a full dress rehearsal for the Pakistan Day parade in Islamabad, Reuters Archive. Photo by Mian Khursheed.

Two unidentified tourists enjoy the sun in the skiing resort of Garmisch Partenkirchen on top of Germany’s highest mountain Zugspitze, about 60 kilometres south of Munich, Germany, Reuters Archive. Photo by Alexandra Winkler.

Pilgrims walk towards Saint Peter’s Basilica to pay last respects to the late Pope John Paul II at the Vatican. Pilgrims walk towards Saint Peter’s Basilica to pay their last respects to the late Pope John Paul II at the Vatican, Reuters Archive. Photo by Kai Pfaffenbach.

A rose is seen attached to barbed wire at the former Buchenwald Nazi death camp near Weimar in Thuringia, Reuters Archive. Photo by Fabrizio Bensch.

A lightning lights up the sky over Cape Town during a rare lightning storm as the first of the winter rains hit the city, South Africa, Reuters Archive. Photo by Mike Hutchings.

An Indian boy swims in a muddy pool of water in Bombay, Reuters Archive. Photo by Adeel Halim.

A goose rests its head on its wing at Skopje City Park, Reuters Archive. Photo by Ognen Teofilovski.

An unusual fog settles over Barcelona’s city coastline, Spain, Reuters Archive. Photo by Albert Gea.

French matador Sebastian Castella stands during a bullfight in The Maestranza bull ring in Seville, Spain, Reuters Archive. Photo by Marcelo del Pozo.

A runner strides during the 20th Beijing International Relay Marathon in the Chinese capital, Reuters Archive. Photo by Alfred Cheng Jin.

A table tennis bat and ball are seen on a table during training session for the 48th World Table tennis Championship in Shanghai. A table tennis bat and ball are seen on a table during training session for the 48th World Table tennis Championship in Shanghai, Reuters Archive. Photo by Kin Cheung.

Nuns arrive in the early morning in Duomo Square to await the visit by Pope Francis in Milan, Italy,, Reuters Archive. Photo by Max Rossi.

Internally displaced Somali children rest outside their shelter after fleeing from drought stricken regions at a makeshift camp in Baidoa, west of Somalia’s capital Mogadishu, Reuters Archive. Photo by Feisal Omar.

A tail of a horse is decorated with a bow during the religious Ghode Jatra festival, organised by the Nepal army, in Kathmandu, Nepal, Reuters Archive. Photo by Navesh Chitrakar

A model presents a creation by designer Pedro Pedro, as part of his Fall/Winter collection, during Portugal Fashion, Portugal, Reuters Archive. Photo by Rafael Marchante.