Conceptualize the Faux Pool Spillover

What happens here

The video opens by introducing a new feature under construction: a "faux pool spillover." This design aims to create the visual effect of water flowing from an elevated pool into a lower patio area, but crucially, it is a self-contained system separate from the main pool. A 3D architectural rendering is presented to visualize the final integrated design, showing the pool, a lower patio with seating, and multiple cascades of water emanating from a retaining wall into a hidden basin. The narrator explains that a raised basin will collect water, which is then pumped underground to emerge from spillways in the retaining wall.

Goal: Understand the design principle and intended illusion of the water feature.