平原中央的湖泊，四周环绕着山丘和植被 Lake in the middle of a plain surrounded by hills and vegetation

湖中自然是一片平原，绿树成荫，地平线上是山丘，天空中覆盖着一些厚厚的云彩。

Lake in the middle of a plain in nature, covered with grass, trees, hills on the horizon, and the sky covered with some thick clouds.