简答题4 The Oriental Pearl TV Tower of Shanghai is quite famous because it is the highest structure in the city.简答题1 The Summer Palace was initially built by Emperor Qianlong as a gift for his mother on her birthday.简答题2 The three pits containing the terracotta army of Emperor Qinshihuang were all accidentally discovered by some farmers.简答题3 Hangzhou, home of silk in China, is famous for producing high-quality silk.简答题5 The Potala Palace has many sculptures, murals, scriptures and other valuable cultural relics.