Xiǎng kàn yúnhǎi, zuìhǎo zài yǔ hòu de qīngchén shàngshān.
If you want to see a sea of clouds, it is best to go up the mountain early on a morning after rain.
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黄山 counts its 云海 among its four wonders, along with its oddly shaped pines, strange rocks and hot springs. 李白 wrote of the bright moon rising 苍茫云海间, "amid a vast sea of clouds".