The streets of Gaza are busy, but they are also crumbling.
Since Hamas took control of the Gaza Strip in 2007, Israel has maintained tight limits on shipments of anything that could be used for military purposes. That includes basic building materials that could be used for bunkers and rocket launching sites.
Ask businessman Ali Abdel Aal what's the toughest thing for him to find, and he'll tell you "cement and gravel."
And if you're just tuning in, this is WEEKENDS on ALL THINGS CONSIDERED from NPR News. I'm Guy Raz.
Former Palestinian leader Yasser Arafat was buried under so many feet of concrete in 2004 that it took gravediggers six hours to get to his body last month. And his body was exhumed because his widow suspects he was murdered, poisoned by the radioactive element polonium 210.