Now You Know
Where Does the Water Go After I Flush the Toilet? (1x9)
Data emisji: Mar 15, 2015
Howie and Baboo visit the wastewater treatment plant, where engineer William shows how water travels through pipes from their house to the plant to get filtered and cleaned.
- Premiera: Mar 2015
- Odcinki: 78
- Obserwujący: 0