Originally Posted by
CharlotteYork
Thanks for the comments, Drewguy. We will not be getting a Chinese visa, so we can't stay in Shanghai any longer than 72 consecutive hours. Also, I believe we can not leave the Shanghai municipal area (except for flying directly to a 3rd country) due to the TWOV restrictions.
With 6 days total, you should consider biting the bullet and getting visas.