A Thai drug user mixes the popular cheap narcotic drink as it is cooked over a fire on September 1, 2011 in Narwathiwat, southern Thailand. (Photo by Paula Bronstein/Getty Images)

A Chinese worker makes handmade firecrackers in the traditional way on February 1, 2005 in Liuan, Anhui Province, China. Chinese have the tradition of setting off firecrackers to celebrate the lunar New Year. (Photo by Cancan Chu/GettyImages)

Artists preform on a pool suspended above the audience during the Fuerza Bruta dress rehearsal on February 1, 2012 in Tel Aviv, Israel. (Photo by Uriel Sinai/Getty Images)

Rosanna Davison attends the “Lambertz Monday Night” at Alter Wartesaal on February 1, 2012 in Cologne, Germany. (Photo by Andreas Rentz/Getty Images)

A bodyboarder rides a wave at Mackenzies Bay on May 1, 2011 in Sydney, Australia. A strong east-south-east swell has developed along the NSW coastline with waves between 6ft and 8ft expected to hit the coast for much of the weekend and into next week. (Photo by Cameron Spencer/Getty Images)

A baby hippopotamus lies next to its mother on the first day it was presented to the public at the Zoo Berlin zoo on November 1, 2011 in Berlin, Germany. The baby hippo was born at the zoo on October 23. (Photo by Sean Gallup/Getty Images)

Fireworks light up the skyline over Sydney Harbour during the midnight fireworks session as Sydney Celebrates New Year's Eve with the theme of “Time To Dream” on on January 1, 2012 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

A protester uses molotov cocktails against riot police during May Day protests on May 1, 2010 in Athens, Greece. (Photo by Milos Bicanski /Getty Images)