https://www.youtube.com/watch?v=UiOC13McqdY
The Rise and Fall of The San Francisco Centre Mall https://www.youtube.com/watch?v=G5rosHIbZhA
Why San Francisco's Newest Towers are So Empty https://www.youtube.com/watch?v=Yc0TTfC6wMQ
San Francisco’s Leaning Skyscraper Nightmare Isn’t Over https://www.youtube.com/watch?v=K_p7hksWtUQ
