Pure sightseeing with no shopping: Jing'an Temple, Zhangyuan, Yuyuan Road, Yu Garden mall, The Bund, transparent itinerary.
A day to see Shanghai: The millennia-old Jing'an Temple + Shikumen Haipai charm + the lively local atmosphere of the old city + the international nightscape of The Bund—covering all the classics without detours.
Subway walkable access: no rush, no private charter, local snacks for only CNY 30 per person to fill you up, high-value pure play experience.