TOPSHOT - Thousands of Gray Cranes are seen at the Agamon Hula Lake in the northern Israeli Hula valley during the bird migration from Eastern Europe to Africa, on February 21,2019. - Some 50,000 Gray Cranes stayed during the winter in the Agamon Hula Lake instead of migrating to Africa, taking advantage of the safety of this artificial water source. (Photo by MENAHEM KAHANA / AFP)