Swiss guards march prior to a swearing-in ceremony, at the Vatican, Monday, May 6, 2013. The ceremony is held each May 6 to commemorate the day in 1527 when 147 Swiss Guards died protecting Pope Clement VII during the Sack of Rome.
The pack pedals during the third stage of the Giro d'Italia from Sorrento to Marina di Ascea, Italy, Monday, May 6, 2013.
Firefighters work as a house burns after a gas tanker truck exploded on the highway in front of the house in the Mexico City suburb of Ecatepec, early Tuesday, May 7, 2013. The blast killed and injured dozens, according to the Citizen Safety Department of Mexico State. Officials did not rule out the possibility the death toll could rise as emergency workers continued sifting through the charred remains of vehicles and homes built near the highway on the northern edge of the metropolis.
A Chihuahua named "Little Man," left, holds his ground as a Husky named "Bree" wants to play in front of Maricopa County Superior Court as the crowd of spectators grows waiting for a verdict in the Jodi Arias murder trial, Tuesday, May 7, 2013, in Phoenix.
Razieh Omidvar holds up her portrait to media at their request, as she registers her candidacy for the upcoming presidential election, at the election headquarters of the interior ministry in Tehran, Iran, Wednesday, May 8, 2013. Iran's presidential race got underway Tuesday as authorities officially opened the registration process for candidates in next month's election that will pick a successor to President Mahmoud Ahmadinejad and offer a critical test for reformists battered after years of crackdowns.
Bangladeshis cover themselves with plastic sheets as it rains on a deserted street during a general strike called by 18 opposition parties in Dhaka, Bangladesh, Wednesday, May 8, 2013. The strike was ostensibly organized to demand changes in electoral law and to protest the deaths of 29 people, many of them Islamic hardliners, on Monday during street demonstrations calling for new anti-blasphemy laws.
A Nepalese Hindu man takes a holy dip in a pond during Matatirtha Aunshi or Mother's Day at Matatirtha Temple, in Katmandu, Nepal, Thursday, May 9, 2013. On this day, Nepalese Hindus pronounce their affection for their deceased mothers by performing the holy bathing ritual.
Rescuers carry a survivor pulled out from the rubble of a building that collapsed in Saver, near Dhaka, Bangladesh, Friday, May 10, 2013. Rescue workers in Bangladesh freed the woman buried for 17 days inside the wreckage of a garment factory building that collapsed, killing more than 1,000 people. Soldiers at the site said her name was Reshma and described her as being in remarkably good shape despite her ordeal.
England's Prince Harry visits Section 60 at Arlington National Cemetery, Friday, May 10, 2013. The British soldier-prince is spending most of his week in the U.S. honoring the wounded and the dead of war.