During the past 10 years of war in Afghanistan, thousands of troops have died and thousands more have been wounded.
A look at the statistics from the war reveals some broad and basic trends: The casualties have increased steadily every year, with a jump in the past three years of the war, a sizable number of the troops who have died are relatively young and many of the casualties have occurred in the southern part of Afghanistan.
After Osama bin Laden was killed in May, the house where he was found was teeming with journalists and quite open. Now, the Pakistan Army surrounds the house with vegetation growing thick around it. Things have definitely changed.
CNN's Nick Paton Walsh travels to Abbotabad, Pakistan, to visit one of the few reminders of the architect of the September 11, 2011, attacks as the world is still asking – how did bin Laden live here so long?