Gabion walls don't need any kind of drains because they are porous throughout. Gabions can be customized to make them more useful in public spaces. Gabions can be filled with any heavy material--diverse stones, metal artifacts, obtanium, etc.
There are many ways to make your living room work for you and your loved ones while being a beautiful space that makes you want to stay in it for long periods. Learn more tips on living room layouts with this new and helpful infographic from Furnished Up