Best pictures from August 20
A smooth dogfish is pictured after having being swallowed by a sand tiger shark, which in turn was caught by researchers at the University of Delaware's Ocean Exploration, Remote Sensing, Biogeography (ORB) Lab in this July 19, 2013 handout photo. The shark-within-a-shark situation occurred when researchers in Delaware Bay baited a hook with a menhaden, a common marine fish, in order to capture sand tiger sharks that had previously been tagged. The bait was taken by the dogfish, which in turn was swallowed by the tiger shark.HANDOUT/Reuters
The ATMOSFEAR ride at the PNE which takes the rider 66.44 meters up while spinning 360∞ at 70km/hr at Playland during the annual PNE exhibition August 20, 2013. The PNE fair saw the largest crowds today of the first three days do in part because the entry fee was waved for the first two hours after opening.John Lehmann/The Globe and Mail
Stephane Sevigny and his daughter Serena, 7, look out over Alexandra Falls near Enterprise, Northwest Territories August 20, 2013.CHRIS WATTIE/Reuters
German Chancellor and top candidate for the Christian Democratic Union (CDU) Angela Merkel toasts with beer after her speech during an electoral rally in Dachau near Munich August 20, 2013. Merkel laid a wreath at Dachau concentration camp on Tuesday, making her the first German chancellor to visit the death camp where Nazis killed more than 41,000 people in the Holocaust.MICHAEL DALDER/Reuters
A Volleyball player returns a ball during an evening game at Mooney's Bay August 20, 2013 in Ottawa.Dave Chan/The Globe and Mail
A Japan Ground Self-Defense Force Type-10 tank fires its gun at a target during an annual live firing exercise at Higashi Fuji range in Gotemba, southwest of Tokyo, Tuesday, Aug. 20, 2013.Koji Sasahara/The Associated Press
A child walks at a brick-making factory in La Paz Centro town, about 62 km (39 miles) west of Managua August 20, 2013. Eficiencia Energetica en Ladrilleras Artesanales de America Latina (EELA), reported that Nicaraguan brick makers burn 47,869 metric tons of fire wood, which produces 65,874 metric tons of carbon dioxide every year. The country has 467 brick makers located mostly on the west coast of Nicaragua according to local media.OSWALDO RIVAS/Reuters
South Korean citizens take shelter from a mock gas attack during a South Korea-U.S. joint military exercise, "Ulchi Focus Lense," at a subway station in Seoul, South Korea,Tuesday, Aug. 20, 2013. North Korea on Tuesday criticized the military drills with milder-than-usual language that's seen as a sign of its interest in keeping up diplomacy.Ahn Young-joon/The Associated Press
A worker cleans the aluminium sunshade claddings of the roof of the Esplanade theatre building in Singapore August 20, 2013.EDGAR SU/Reuters
A boy with his head shaved looks at the skylines in Pudong, China's financial and commercial hub, in Shanghai, China, Tuesday, Aug. 20, 2013. Global stocks slid Tuesday as investors, particularly those investing in up-and-coming markets, braced for the possible phaseout of a U.S. central bank stimulus program that has boosted stock prices worldwide.Eugene Hoshiko/The Associated Press