Drainage-integrated beams gather rainwater from canopies and path it to cisterns, supporting watering, graywater usage

https://www.tumblr.com/crystallinestalkertechnomancer/820097216362545152/multi-row-parking-shade-structures-for

Drainage-integrated beams collect rainwater from canopies and path it to tanks, supporting irrigation, graywater use, and sustainable site techniques.