![A murmuration of migrating starlings fly in a group above a waste facility near the city of Rahat, southern Israel, Jan. 1, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/01/03/0f3f04c5b0824960821bc9e8f3bcec10.jpg)
A murmuration of migrating starlings fly in a group above a waste facility near the city of Rahat, southern Israel, Jan. 1, 2019. (Photo/Agencies)
![A murmuration of migrating starlings fly in a group above a waste facility near the city of Rahat, southern Israel, Jan. 1, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/01/03/623cf11f3f5c4953b5992b28e51a3136.jpg)
A murmuration of migrating starlings fly in a group above a waste facility near the city of Rahat, southern Israel, Jan. 1, 2019. (Photo/Agencies)
![A murmuration of migrating starlings fly in a group above a waste facility near the city of Rahat, southern Israel, Jan. 1, 2019. (Photo/Agencies)](http://www.ecns.cn/hd/2019/01/03/d0ae63819bb74499bf938042f9b6f160.jpg)
A murmuration of migrating starlings fly in a group above a waste facility near the city of Rahat, southern Israel, Jan. 1, 2019. (Photo/Agencies)