The gleaners gathered up the loose ears of corns.

拾穗人把掉穗收集起来。

Waves of gleaners sift the sweepings of Hanoi's streets, just as children pick over the rubbish of Maputo's main tip.

越南河内街上是一波又一波捡垃圾，托大垃圾场里可以看到捡垃圾孩子。