A Gigantic 150-Ton Koi Pond
Figure 1. This is a frame grab from a video uploaded by hooinc in YouTube showing an enormous 150-ton koi pond with a state-of-the-art filtration system.
See the video here: http://www.youtube.com/watch?v=5ZrQsaHbe0I
Figure 2. A part of the pond's sophisticated filtration system
See More Koi Pond Photos
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