pipes

Palestinian children play with concrete pipes in Gaza City, on January 28, 2014.

Mohammed Abed/AFP

Palestinian children play with concrete pipes in Gaza City on Tuesday.

Palestinian factory workers rest inside ...Palestinian factory workers rest inside concrete pipes as they wait for the start of a working day in Gaza City on October 23, 2013. AFP PHOTO/MOHAMMED ABEDMOHAMMED ABED/AFP/Getty Images

Mohammed Abed/AFP/Getty

Palestinian factory workers rest inside concrete pipes as they wait for the start of a working day in Gaza City on Wednesday.