Ji'nan Baotu Spring is now "birds in the forest".

Reprinted from http://news.sdinfo.net/jnxw/2470019.shtml
source:

bird black pressure on a tree (video capture)

trees are filled with dense birds (video screenshots) on January 16, 2016, the spectacular scene of a million birds throwing forests over Baotu Spring Park in Ji'nan. Due to the recent improvement in air quality and the superior park environment, tens of thousands of birds have been attracted to visit. It is understood that these birds have been in Baotu Spring for several days, 6 hours in the morning and 6 in the evening.
according to the life gang of Shandong radio and television station, the birds are flying in the air, looking like a whirlwind, circling in the air, stopping on the trees and hearing the birds from far away, and the spectacle is spectacular.
a reporter interviewed zoologist Ma Jinsheng, who told reporters that the birds were flying everywhere, where there was food and where to fall, and the lack of food would be wandering in other places. Experts say that birds like to live in groups and appear in front of people every morning and evening.