John Hancock Center Window Cleaning Facts

The video explores the daring job of window cleaners at Chicago's John Hancock Center, a skyscraper known for its unique tubular design by Fazlur Khan. The structure's engineering requires each window to be cleaned individually, presenting challenges such as weather conditions and falcon threats. The video highlights the revolutionary design of the building and the bravery of the workers.

What is the primary job of Philippe Berman and Efrain Salas?

• Falcon trainers

• Window cleaners on skyscrapers

• Architects of skyscrapers

• Structural engineers

What is the unique feature of the John Hancock Center that affects window cleaning?

• Its height of 200 stories

• Its interior design

• Its exterior skeleton

• Its color

What is the height of the John Hancock Center?

• 100 stories

• 75 stories

• 50 stories

• 150 stories

Who was the structural engineer behind the John Hancock Center?

• Fazlur Khan

• John Hancock

• Efrain Salas

• Philippe Berman

What innovative design did Fazlur Khan introduce for skyscrapers?

• Interior cords

• Concrete pillars

• Giant tube structure

• Glass facades

What is the main reason the John Hancock Center is recognizable?

• Its tubular design

• Its height

• Its location

• Its color

What is a major risk factor for window cleaners on the John Hancock Center?

• Lightning

• Birds of prey

• Strong winds

• Earthquakes

How do Philippe and Efrain clean the windows of the John Hancock Center?

• One windowpane at a time

• With a team of cleaners

• By spraying water from the ground

• Using automated machines

What natural element can make window cleaning dangerous?

• Rain

• Wind

• Sunlight

• Fog

What is a common nesting place for falcons on the John Hancock Center?

• The roof

• The basement

• The facade

• The lobby