Baltimore Police Department Commissioner Anthony Batts speaks about the investigation into Freddie Gray's death at a news conference on Friday in Baltimore. Patrick Semansky/AP hide caption

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Allied troops at the ANZAC Cove in the Gallipoli peninsula, during World War I. Britain, France, Australia and New Zealand fought for nine months but could not defeat the Ottomans. Overall, a half-million were killed or wounded. Hulton Archive/Getty Images hide caption

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Callery pear trees in Pittsburgh. The smell of the invasive trees has been compared to rotting fish and other stinky things. Luke H. Gordon/Flickr hide caption

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Volunteers search for needles and other drug paraphernalia along Church Street in Austin, Ind., in April. The region has recorded 142 new HIV cases since December, according to the state, in an outbreak tied to injected-opioid use. Seth Herald/Nurphoto/Corbis hide caption

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Mohammed Ali Malek is seen at Catania's tribunal, on Friday. Italian prosecutors blamed the captain of a grossly overloaded fishing boat for a collision that capsized and sank his vessel off Libya, drowning hundreds of migrants. Antonio Parrinello/Reuters/Landov hide caption

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Catholicos Karekin II (R, front), the supreme head of the Armenian Apostolic Church, and Russia's President Vladimir Putin walk to attend a commemoration ceremony marking the centenary of the mass killing of Armenians by Ottoman Turks in Yerevan, Armenia. RIA Novosti/Reuters/Landov hide caption

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Fake medicines are a 21st-century scourge, but they've been around for a long time. This advertising trade card for snake oil was printed in New York City around 1880. Transcendental Graphics/Getty Images hide caption

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File photos from Jan. 2006 show Australian drug traffickers Myuran Sukumaran, left, and Andrew Chan during their trial in Bali, Indonesia. Indonesian authorities are reportedly ready to set an execution date for the pair. Firdia Lisnawati/AP hide caption

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Two years after the collapse of the factory at Rana Plaza, families of victims gather, holding photos of their lost loved ones. Amy Yee for NPR hide caption

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A giant cluster of about 3,000 stars called Westerlund 2. The cluster resides in a raucous stellar breeding ground known as Gum 29, located 20,000 light-years away in the constellation Carina. NASA, ESA, STScI/AURA hide caption

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Adam Sandler accepts the award for favorite comedic movie actor at the People's Choice Awards at the Nokia Theatre on Jan. 7 in Los Angeles. Chris Pizzello/Invision/AP hide caption

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