A woman places flowers on the grave of a relative at the cemetery of Benfica, on All Saints' Day, in Lisbon, Portugal on Nov. 1.

Catholic nuns from the congregation Saint Jose of the Mountain pray as they visit a tombstone on All Saints Day in the cemetery of San Lorenzo in Ronda, near the southern Spanish city of Malaga.

A woman prepares flowers to be sold at a cemetery during All Saints Day, a Catholic holiday to reflect on the saints and deceased relatives in Barcelona, Spain.

Children play beside a tombstone as their family visit deceased relatives at Heroe's cemetery to remember their departed loved ones on All Saints Day in in Taguig City in Metro Manila.

A boy darkens the inscription of a tombstone of a deceased relative during the commemoration of All Saints Day in Navotas City, Metro Manila on Nov. 1.

An elderly woman prays near a grave at a cemetery in the village of Ivenets, 31 miles southwest of Minsk, on Nov. 1. Catholics in Belarus marked All Saints Day by visiting the graves of their relatives and friends.

People walk among rubble at the site of a fuel truck explosion in Riyadh, Saudi Arabia, on Nov. 1, 2012. A fuel truck exploded after hitting portions of a bridge, engulfing buildings and cars in flames, witnesses and officials said.

An injured man lies on a stretcher after an explosion in eastern Riyadh on November 1, 2012.

People walk among debris at the site of a fuel truck explosion in Riyadh on Nov. 1, 2012.

Lisa and Julia Kravchenko pose in their Halloween costumes as they stand in an area ruined by Hurricane Sandy in Staten Island, New York, on October 31, 2012.

New York City residents light jack-o'-lanterns made from cut out pumpkins on Hudson Street in lower Manhattan, October 31, 2012. Hurricane Sandy knocked out power to much of lower Manhattan and has forced many residents to seek shelter in other parts of the city.

Revellers dressed up for Halloween share a laugh in Times Square, New York in the early hours of November 1, 2012.

Lisa Kravchenko stands amongst flood debris in her princess Halloween costume on Oct. 31, 2012 in Staten Island.