Inverted Fish Tank Tower : 5 Steps (with Pictures) - Instructables
Garden Feature Idea: Inverted Pond – No Mow
Avantgardens - Avantgardens. Fish Tower A unique garden feature created by placing a pillar shaped glass aquarium upside down in the koi pond, creates a fantastic vertical observation tower for the fish.
Upside down Fish aquarium! Guess how we filled it with water?? Awesome addition to POND! : r/landscaping