San Francisco's Leaning Tower Keeps on Tilting Over

The video discusses a building that is tilting at a rate of 3 inches per year, despite a $100 million construction project aimed at stopping it. The building, which opened in 2009, saw rapid apartment sales, but prices plummeted as the tilt became apparent. Currently, the building's tilt has reached 26 inches, and engineers suggest attaching steel piles to bedrock to stabilize it.

What was the annual rate of the building's tilt?

• 5 inches per year

• 1 inch per year

• 3 inches per year

• 10 inches per year

Why was the $100 million construction project abandoned?

• It failed to stop the tilt

• It was too expensive

• It increased the tilt

• It was completed successfully

What was the initial market reaction to the tower's opening in 2009?

• The tower was closed

• The building was immediately criticized

• Apartments sold out quickly

• Apartments were hard to sell

What is the current total tilt of the building at rooftop level?

• 10 inches

• 5 inches

• 50 inches

• 26 inches

What solution did the engineer propose to stop the building from tilting further?

• Attach 18 steel piles to bedrock

• Add more floors

• Demolish the building

• Rebuild the foundation