Parents wait to pick up their children at the gate of a primary school in Wuhan, central China`s Hubei province on September 3, 2013. When school is over for the day, students in the school line up and walk to "waiting areas", where parents wait to pick them up. (CNS /Zhang Chang)

　　Parents wait to pick up their children at the gate of a primary school in Wuhan, central China`s Hubei province on September 3, 2013. When school is over for the day, students in the school line up and walk to "waiting areas", where parents wait to pick them up. (CNS /Zhang Chang)

　　Parents wait to pick up their children at the gate of a primary school in Wuhan, central China`s Hubei province on September 3, 2013. When school is over for the day, students in the school line up and walk to "waiting areas", where parents wait to pick them up. (CNS /Zhang Chang)