Visitors to the National September 11 Memorial walk below the rising towers at 1 World Trade Center (left( and 4 World Trade Center, Monday, Sept. 10, 2012 in New York. Tuesday will mark the eleventh anniversary of the attacks of Sept. 11, 2001.

Afghan national police officers march during a graduation ceremony at a National Police training center in Laghman province, east of Kabul, Afghanistan on Monday, Sept. 10, 2012. Over 148 National police officers graduated after receiving four months of training in Laghman.

A couple poses for photos as a man sleeps on a pier in Vladivostok, Russia on Monday, Sept. 10, 2012.

A worker hangs a giant poster of Pope Benedict XVI on the airport highway, in Beirut, Lebanon on Monday, Sept. 10, 2012. Pope Benedict XVI will begin a three-day visit to Lebanon on Friday. During his visit, the Pope said he would meet with Lebanese authorities as well as Christians from Lebanon and other nearby countries.

Indian Hindu devotees perform evening rituals as they take a holy dip in the River Ganges in Allahabad, India on Sunday, Sept. 9, 2012. Allahabad, on the confluence of the rivers Ganges and Yamuna is one of Hinduism's important centers.

Palestinian demonstrators run away from a tear gas canister fired by Palestinian security forcers during a protest against the high cost of living in the West Bank city of Hebron on Monday, Sept. 10, 2012. Elsewhere in the West Bank, demonstrators halted traffic with burning tires, schools were closed and store owners shuttered their shops. It was the most serious unrest since the demonstrations erupted last week.