S1 E4 | Modern Designs, Modern Problems

Urban construction relies on two types of cranes to hoist the next high-rise, but when they fail, they make one big mess; amusement parks use intense G-forces to thrill us, but when the ride comes to a sudden stop, all that power can turn against us; hurricanes and typhoons; these ferocious winds can knock you off your feet or blow down a building; escalators are great for moving a lot of people quickly, but not so great when they move a lot of people onto a lot of people.