请写一段三分钟左右的对话，两名导游向一名外国游客介绍上海地标建筑--外滩

A: Hi, welcome to Shanghai. I’m your tour guide. This is the Bund, one of the most famous landmarks in Shanghai. It’s a great place to take pictures and learn about the city’s history. B: Yes, the Bund is a symbol of old and new Shanghai. It was built in 1846 and has become an important landmark since then. You can see many famous buildings here like Bank of China Tower, Jin Mao Tower and so on. C: Wow! It looks amazing! What else can I do here? A: Well, you can take a walk along the Bund to enjoy its beautiful scenery or take a boat ride on Huangpu River to explore this wonderful city from another angle. There are also many shops, restaurants and bars around here that you can visit for some local delicacies or drinks after sightseeing here at night.