Sectarian violence may still be a grim reality in today's Iraq, but there are some signs of the progress that has been made.
At its height in the wake of the American invasion, Iraqis were forced to put up walls and barriers across Baghdad and other cities to protect people and buildings from car bombs.
Now, however, they are coming down, and many hope that this time it's for good.
Al Jazeera's Jane Arraf reports from Baghdad.
