Fountains are made so Pokemon can drink out of them.
Urban wild Pokemon are encouraged to live in homes built into the sides of buildings, to prevent them from causing damage making their own.
Some large buildings are made to accommodate big Pokemon.
Cities often adopt mascots of their common visitors
You can often see Pokemon running errands for their trainers, especially if they’re elderly. Notifications and special backpacks are made so Pokemon can pick up grocery orders, mail letters and more. Sometimes they are given special hidden roads so they don’t get frightened/distracted/hurt by foot and car traffic.