The photo shows the cloud sea view near the Great Wall on Zhuizi Mountain. A sea of cloud was seen during the three-day-long holiday in Liaoning province in May. (Photo source: Chinapic)

　　The photo shows the cloud sea view near the Great Wall on Zhuizi Mountain. A sea of cloud was seen during the three-day-long holiday in Liaoning province in May. (Photo source: Chinapic)

　　The photo shows the cloud sea view near the Great Wall on Zhuizi Mountain. A sea of cloud was seen during the three-day-long holiday in Liaoning province in May. (Photo source: Chinapic)

　　The photo shows the cloud sea view near the Great Wall on Zhuizi Mountain. A sea of cloud was seen during the three-day-long holiday in Liaoning province in May. (Photo source: Chinapic)