Part 8/11:

In stark contrast to the dilapidated tunnels and somber sewer systems, we discover opulent underground residences. One such striking property features extensive facilities that rival those of luxury resorts, complete with tennis courts and themed banquet halls—all hidden beneath the surface. Such underground constructions are a clever response to local building regulations that restrict heights above ground.

Foundations for the Future: Engineering Skyscrapers

Deep underground, we encounter the towering foundations of skyscrapers that characterize Los Angeles’ skyline. These monumental structures, often reaching depths of up to 90 feet, employ complex engineering techniques such as mat foundations and seismic isolators to withstand the city's notorious seismic activity.