Spaces are limited, so book well in advance.
Shanghai was the largest and most prosperous city in the Far East during the 1930s.
Most of the sightseeing buses leave from the Shanghai Stadium's east bus station.
If you provide them repeat business they are usually quite happy to give you discounts for your loyal patronage.
It may be better to take the Metro between both sides, and then catch a taxi on the side that your final destination is on.
Despite the safety barriers on the platform, the train doors sometimes close before all passengers have boarded; people squeezed between closing doors is a common sight.