Cyclists gather to form a shape of a bicycle with the aim of promoting cycling as a mode of transport and to commemorate Bicycle Day, which is celebrated April 19 annually, at Zocalo square in Mexico City, Mexico, April 10, 2016.
An aerial view shows participants wearing blue and red coats forming an image depicting a human lung, during an Guinness World Record attempt of the largest human image of an organ, on a hazy day in Beijing. Over 1,500 people joined the successful attempt which was organized by a local health research center hoping to improve awareness of lung health.
Students make a formation of a map of India inside the school premises during Independence Day celebrations in Ahmedabad, India, August 14, 2015.
Children form a reef fish on a beach in Hong Kong on the 3rd annual Kids Ocean Day. The event is aimed at raising awareness of seas protection and the conservation of coral reef worldwide.
Picture: PHILIPPE LOPEZ/AFP/Getty Images