You can go to Five Avenues first and see those small western-style buildings with classical architecture. It is a must-see.
There is also a concert hall, Xiaobailou Style Street, and Binjiang Road nearby (about 3 or 4 stops by car), and then it takes about 3 stops by car to go to the food street to eat and buy some specialties.
Not far ahead is the Drum Tower, and very close by is the Ancient Culture Street, which is a must-see when visiting Tianjin. You can also buy local clay figurines and the like.
There are also Tianjin Eye (the only large Ferris wheel on the bridge), Jinwan Square, etc. nearby.
It’s good to go see the Italian style street in the evening.
You can also walk along the Haihe River to see the night view. Walk along the Haihe River and see the bridges in Tianjin. The bridges in Tianjin are the most significant thing about visiting Tianjin.