Brazilian graffiti artist Eduardo Kobra (C) puts the final touches to his piece of art in tribute to Brazilian architect Oscar Niemeyer, next to his assistants, at the financial center on Sao Paulo's Avenida Paulista January 22, 2013. Kobra created the 56-metre (61-yard) tall graffiti artwork as a tribute to Niemeyer, one of the 20th century's most influential modernist architects. Niemeyer died in December 2012, aged 104. (Photo by Andre Penner/AP Photo)

Natan Dvir, an Israeli photographer, focuses on the human aspects of political, social and cultural issues. For his “Coming Soon” series, Dvir says that in recent years, a kaleidoscopic net of huge billboards has enveloped the commercial hubs of New York. Seen here, a man looks at a Juicy Couture billboard while passing it on 52nd street close to 5th Avenue in New York, June 5, 2012. (Photo by Natan Dvir/Polaris)

Manu Brabo was born in Spain in 1981. After studying Photography in The School of Arts and Crafts in Oviedo, he moved to Madrid where he started Journalism in Carlos III University while he was working as a photographer for several humble newspapers and agencies. In 2011, Manu was held captive and then released by by Libyan forces. Brabo, along with fellow AP photographers were awarded the 2013 Pulitzer Prize for Breaking News Photography. Here: a Syrian man cries while holding the body of his son, killed by the Syrian Army, near Dar El Shifa hospital in Aleppo, Syria, Wednesday, October 3, 2012. (Photo by Manu Brabo/AP Photo)

(L-R) Daniel Radcliffe, Emma Watson, J K Rowling and Rupert Grint attend the World Premiere of “Harry Potter And The Deathly Hallows: Part 1” held at The Odeon Leicester Square on November 11, 2010 in London, England. (Photo by Dave Hogan/Getty Images)

Located in East Java, Indonesia, Kawah Ijen is a volcano is home to the largest acidic crater lake in the world. What turns the waters of the lake in the 1 km caldera its beautiful turquoise color are the highly sulfuric gases emitted from the volcano underneath.

So “Anonymous Russian homeless vs PSY – GANGNAM STYLE”... In my opinion this is quite sad video (though participants obviously have contrary opinion). However it's you to judge. Video was shot somewhere on open spaces of Russia in September 2012. Enjoy if you can.

Candice Swanepoel attends the Victoria's Secret Very s*xy Tour Stop in Dallas at Victoria's Secret Beauty at the NorthPark Mall on March 22, 2012 in Dallas, Texas. (Photo by Peter Larsen/ Getty Images for Victoria's Secret)

A farrier attaches a horse shoe still hot from the furnace at The Household Cavalry Mounted Regiment (HCMR) at Hyde Park Barracks on March 28, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)