Where is the 1st stop of Shanghai sightseeing bus located?

The Shanghai Urban Planning Exhibition Center is located at 100, People's Avenue. You could take metro Line1, Line 2 or Line 8 to People's Square station, and following the directions to find the exhibition center easily. Currently, both of the two lines' sightseeing bus are in red color and open top, so you will not miss it. On the bus, there is 'City Sightseeing' printed in English.