Gray Cranes flock at the Agamon Hula Lake in the Hula valley in northern Israel, Dec. 16, 2016. Some 44,000 Gray Cranes stayed this winter in the Agamon Hula Lake instead of migrating to Africa, taking advantage of the artificial water source. (Xinhu/Gil Cohen Magen)
Gray Cranes flock at the Agamon Hula Lake in the Hula valley in northern Israel, Dec. 16, 2016. Some 44,000 Gray Cranes stayed this winter in the Agamon Hula Lake instead of migrating to Africa, taking advantage of the artificial water source. (Xinhu/Gil Cohen Magen)