The Official Website of Seoul. You can view a wealth of information about the city, including the main policies, history, culture, tourism, metropolitan experience, medical welfare, transportation, etc., along with an overall introduction to the city such as Seoul-related videos, photos, and map.
Heated benches could also provide shelter for homeless people.
This is slightly different, but I came across these solar-powered cooling benches for hot summer days.
https://www.thecooldown.com/green-tech/solar-powered-bus-stop-urban-space-heat-map/
They are a common sight in Seoul, South Korea.