These stunning sand sculptures are being used to encourage youngsters to explore their surroundings and play in the dirt. (Photo by OMO Lowe)

A street entertainer waits for tourists in Havana, Cuba on October 2009. (Photo by Desmond Boylan/Reuters)

Using clever low exposure techinques, photographer Rolf Maeder managed to capture multiple strikes hitting the canyon under atmospheric stormy skies. (Photo by Rolf Maeder)

Members of the “Exit Point” amateur rope-jumping group stage a performance as they jump from a 44-metre high (144-ft) waterpipe bridge in the Siberian Taiga area outside Krasnoyarsk, November 3, 2013. Fans of rope-jumping, a kind of extreme sport involving a jump from a high point using an advanced leverage system combining mountaineering and rope safety equipment, marked the end of the group's jumping season and recent Halloween festivities. (Photo by Ilya Naymushin/Reuters)

In this Tuesday, June 4, 2019, photo, a Yamanote Line train travels above commuters walking across the crossing during evening rush hours in the Shinjuku district of Tokyo. Operated by the East Japan Railway Co., the Yamanote Line in Tokyo makes a loop around the center of the city, connecting 29 stations that include key stops such as Shinjuku, Shibuya and Ikebukuro. A complete loop of about an hour offers scenes of Japanese daily lives. (Photo by Jae C. Hong/AP Photo)

A child dressed as a cat takes part in the Children's Halloween day parade at Washington Square Park in the Manhattan borough of New York October 31, 2015. (Photo by Carlo Allegri/Reuters)

Tokyo, “Electric City”. August 24, 2009. (Photo by Caribb; Source: Flickr)