Personally only seen it once during a short trip but apparently this is common in Seoul (maybe someone can confirm if it’s really widespread or not?). Delivery

Personally only seen it once during a short trip but apparently this is common in Seoul (maybe someone can confirm if it’s really widespread or not?). Delivery food comes in reusable containers, you leave it outside your door when you’re done and at some point the next day it all gets collected and sent back to the original restaurant for cleaning and reuse.