This film is about the Hoover Dam. It’s a big dam, it started in 1933 and it was completed 2 years later. The height of the dam is 726 feet tall in the 20^th ranking in the world for its height, the blocks that made this dam are 25 feet by 60 feet wide. They built the dam with 3.2 cubic yards of concrete it covers 247 square miles.  Many people died making this dam, the amount of the people that died was 213. The Hoover dam provides energy to 1.3 million people a day.