全部 » Nature » 清澈的天然水流过卵石河床 Crystal-clear natural water flowing over a riverbed of pebbles

清澈见底的天然水流优雅地流过铺有光滑鹅卵石的河床，为风景如画增添了舒缓的旋律。

The crystal-clear natural water flows gracefully over a riverbed adorned with smooth pebbles, adding a soothing melody to the picturesque landscape.