He was mesmerized by the natural beauty of the Serengeti Plain.

他被塞伦盖蒂平原的自然美景迷住了。

The animals then go back down to the Serengeti plains from where they came.

然后动物们从它们来的地方回到塞伦盖蒂平原。

The gnus, antelopes and other grazing animals of east Africa do this, wandering around the famous Serengeti Plain to where the grass is greenest.

东非的牛羚、羚羊和其他食草动物就是这样做的，它们绕着著名的塞伦盖蒂平原游荡到草最绿的地方。