That's a great question! Yes, many modern urban trash cans are specifically designed to prevent liquid from pooling at the bottom, which is a common issue that can lead to odors, pests, and corrosion. Here are some key features you'll often find:
First, many public bins have small drainage holes at the very bottom. These allow any incidental liquids, like rainwater or spilled drinks, to slowly seep out, keeping the interior drier.
Second, some models use removable inner buckets or liners made from waterproof materials. These containers can be lifted out for cleaning, preventing liquid from being trapped permanently in the main bin structure.
Furthermore, advanced "smart" waste bins sometimes incorporate sealed compartments for liquid waste or use absorbent materials at the base to contain leaks. The focus is always on improving hygiene, reducing maintenance challenges, and creating a more pleasant public environment for everyone.
So, while not every single bin has these features, it's a standard consideration in contemporary urban design to address liquid management.