A photo gallery of patterns captured from images around the world.
An Albanian girl walks on a beach in Llaman near the city of Vlore, some 220 km (138 miles) south of the capital Tirana.Arben Celi/Reuters
An athlete attends an open training session in the stadium the day before the start of the London Diamond League athletics meet, in the Queen Elizabeth Olympic Park, in east London July 25, 2013. The venue is where the London 2012 Olympic Games were held, and this event takes place on the first anniversary of the London Olympic Games.Paul Hackett/Reuters
Children swim pass one another as they take part in a swimathon to raise money for The Leukemia & Lymphoma Society at Sleepy Hollow Bath and Racquet in Falls Church, Virginia.Kevin Lamarque/Reuters
Two men drift on floats along the Potomac River in Harpers Ferry, West Virginia.Kevin Lamarque/Reuters
A Ferris wheel is lighted up by the hot summer sun in Shanghai, China.Eugene Hoshiko/The Associated Press
Volunteers prepare plates for Iftar (breaking fast) during the holy month of Ramadan at a mosque in Karachi.Athar Hussain/Reuters
North Korean students look out from behind coloured cardboards, used to form pictures as a background ahead of a mass gymnastic and artistic performance "Arirang", in Pyongyang July 26, 2013, as part of celebrations ahead of the 60th anniversary of the signing of a truce in the 1950-1953 Korean War.Jason Lee/Reuters
North Korean children perform at the May Day stadium during the "Arirang" mass games song-and-dance ensemble on the eve of the 60th anniversary of the Korean War armistice in Pyongyang, North Korea.Wong Maye-E/The Associated Press