• AP Photo/Ajit Solanki
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    An Indian laborer sun dries red chilies at Shertha village on the outskirts of Ahmadabad, India, Tuesday.

  • Feng Li/Getty Images
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    Sunset illuminates smog settled over the central business district of Beijing, China, on Feb. 19. Large amounts of organic nitrogen compounds were found in Beijing smog in January. Most alarming is that these particles were a key component in the deadly photochemical smog in Los Angeles in the 1950s and the Great Smog in London.

  • Cmdr_Hadfield/Twitter
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    Canadian astronaut Chris Hadfield tweeted this shot from the International Space Station on Feb. 18 and wrote, "Mars is a very interesting planet, with its rugged, ancient surface. But this is Earth. pic.twitter.com/YC2h07tL"

  • AP Photo/Mohammad Hannon
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    Libyans release lanterns into the air at Nasr Square during the second anniversary of the uprising that toppled longtime dictator Moammar Gadhafi in Benghazi, Libya, on Sunday.

  • VALERY HACHE/AFP/Getty Images
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    The King's float parades on Feb. 19 during the carnival in the southeastern French city of Nice. The carnival, which ends on March 6, celebrates the King of the Five Continents for its 140th anniversary.

  • Paul Gilham/Getty Images
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    Sebastian Vettel of Germany and Infiniti Red Bull Racing in action during day one of F1 Testing at Circuit de Catalunya on Feb. 19 in Barcelona, Spain.

  • AP Photo/ Rajesh Kumar Singh
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    An Indian boy selling flowers, lamps and other religious offerings reacts to a camera at Sangam, the confluence of the Rivers Ganges, Yamuna and mythical Saraswati, during Maha Kumbh festival, in Allahabad, India, Tuesday.

  • Cmdr_Hadfield/Twitter
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    On Feb. 18, Commander of the International Space Station Chris Hadfield tweeted this photo from orbit and wrote, "Tonight's Finale: The full moon rises over the only planet we have ever called home. pic.twitter.com/JWb4cbyc"

  • Dan Kitwood/Getty Images
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    A man sells popcorn from a traditional cart at sunset on London's Southbank on Feb. 18.

  • Hannah Johnston/Getty Images
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    Next: Today's 10 Must-See Photos: 2-15-2013

    Teams compete in the Men's Senior 8+ heat during the New Zealand Rowing Championships at Lake Ruataniwha on Feb. 19 in Twizel, New Zealand.