A demonstrator points at riot police officers during a protest in Nice, southern France, Nov. 1, 2011. Thousands of protesters are converging on the French Riviera to urge the Group of 20 leading economies to focus on spreading global largesse more equitably instead of saving. (Michel Euler/AP Photo)

A boy peers from behind a cross at the Manila North Cemetery, Oct. 31, 2011 in Manila, Philippines. The ‘Day of the Dead’, which is also called ‘Todos Los Santos’ or ‘All Saints’ Day’, is a holiday celebrated in Latin cultures around the world. In the Philippines, family members clean tombs, leave flowers, and often spend the night at the tomb; eating and celebrating with loved ones. (Dondi Tawatao/Getty Images)

This picture taken, Nov. 1, 2011 shows the reflection of people walking past the Eiffel Tower in Paris. ( Joel Saget/AFP/Getty Images)

A hippo baby and its mother Nicole swim in their enclosure at the Zoo in Berlin, Nov. 1, 2011. The youngster is the latest addition to the hippo population at zoological garden in the German capital and was unveiled to the public this morning. (Odd Anderson/AFP/Getty Images)

An aerial view shows hundreds of thousands of pilgrims praying at Mecca’s Grand Mosque, Oct. 31, 2011. More than 1.5 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city. (Fayez Nureldine/AFP/Getty Images)

A man walks through heavy pollution on a street in Beijing, Nov. 1, 2011. Air pollution in Beijing reached “hazardous” levels, the US embassy said, as thick smog blanketed the city for the fourth day running, forcing the closure of highways and cancellation of flights. (Peter Parks/AFP/Getty Images)

New Yorkers commute to work on 42nd Street in Times Square in New York City, Oct. 31, 2011. The planet Earth’s population has reached 7 billion people, according to the United Nations, posing new challenges to provide adequate food for all. (Timothy A. Clary/AFP/Getty Images)

Saudi Arabia’s deputy foreign minister, Prince Abdul Aziz bin Abdullah, right, and the Gulf Cooperation Council (GCC) secretary general, Abdul Latif al-Zayyani, exchange a traditional kiss by rubbing noses, Nov. 1, 2011. (Karim Sahib/AFP/Getty Images)