ナショナルジオグラフィックのインスタグラム(natgeo) - 7月1日 18時57分

Photo by @beverlyjoubert. Calm and chaos. As the great wildebeest migration enters its frenetic, rushed phase in the Serengeti and Maasai Mara, rivers block the free flow of hundreds of thousands of wildebeest. These are the most dangerous points of the migration and there can be a large bottleneck before one animal makes a move to cross, and triggers the rest to move - almost as a single organism. #greatmigration #migration #wildebeest #serengeti #maasaimara

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