假设你叫王伟，请你根据下面的内容提示，给你的外国笔友Tom发一封电子邮件，介绍你在上周末的一次旅游经历。短文开头和结尾已给出，不计入总词数。
Place：Dalian
Transportation：by train
Activities：have seafood；go fishing and swimming；climb the mountain；take photos
Feeling：excited
Dear Tom，
How are you？I’ve just come back from Dalian，a beautiful city in China．
Please write back soon．
Best wishes!
Yours，
Wang Wei