Crop on Top: Gaza farmers forced to grow food on rooftops. (VIDEO)

With Israel easing restrictions to allow building materials into Gaza, the nation's blockade of the Strip still affects those who live there. One group bearing the brunt of the restriction are farmers, many of whom had to leave their land in the buffer zones to grow food on rooftops. But, as Paula Slier reports, with the recent assault on Gaza still fresh in the memory, some fear they may not see their next harvest.