Qinghai Lake. It lies in Qinghai Province, in the northwest of China.The lake looks like a huge blue mirror under the sun. Surrounding it are green grasslands and colourful wildflowers in summer. The grasslands are so large and soft that they seem like green beds spreading to the end of sky. Besides, flocks of seagulls fly over the water, making it even more lively.从景观本身和周边景色两个角度展现美。使用倒装句、结果状语从句、现在分词短语等突出周边景色。I like Qinghai Lake because of the peaceful view. When I sit by the lake, I forget all my tiredness and feel closer to nature. It's really a wonderful place to visit during summer vacation!阐述喜欢的理由，总结其适合暑假游玩。符合题目要求。