Have a nice day. 
 bye! 
 Shanghai is the biggest city in China and one of the world's largest cities. it had about 24,000,000 people in2017. It is is so big and important that it is a special province level city " municipality" like Bejing, Tanjin, and Chongquing. Right now, it is the biggest port int he world. 
 Hello what can you tell me about Shanghai? 
 Sure what can you tell me?
Shanghai is the biggest city in China and one of the world's largest cities. it had about 24,000,000 people in2017. It is is so big and important that it is a special province level city " municipality" like Bejing, Tanjin, and Chongquing. Right now, it is the biggest port int he world.