The former French Concession is also around here — it's an area that will make you feel like you've been transplanted to Paris.
It's touristy, so get there early if you're looking for a quieter experience — the morning is also a good time to experience the lifestyles of local people, who come here to practice tai chi and go jogging. After strolling down the promenade of the Bund, you could also consider a river cruise — you'll find options ranging from 30 minutes to three hours.
Following that, I'd recommend walking around by yourself and seeing what you can find — it's the best way to get a feel for a place and you can often find some interesting food if you follow your nose.
After a snack, you should definitely visit the Old City, a large area that remained walled when the city was divided into foreign concessions — in fact, if there's one place you should go on your stopover, it's this. Explore this bustling warren of traditional architecture, temples, markets and shops and be teleported back to ancient China.
Nearby, you'll find Yuyuan Garden, an exquisite Chinese garden built more than 400 years ago.
If you'd like to get a bird's eye view of the city, you could also visit the Oriental Pearl Tower, the most iconic building on the Shanghai skyline. If your stopover crosses over into the evening, save this one for later — the night views are truly spectacular. For a similar experience, Shanghai Tower is the tallest building in China with the fastest lifts in the world — they go to the 118th floor observatory at 18 metres a second.
Whatever you decide to do, you're sure to find something to keep you occupied in this busy city.
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Eli cannot answer all questions and can't correspond with readers.