Nearly 100 years ago, America was in the throes of the Great Depression. Even during these tumultuous times, though, engineers managed to use skill and grit to build something amazing: The Hoover Dam. Situated at the Arizona and Nevada border, this impressive concrete marvel attracts almost 1 million visitors annually. So, how was this feat of engineering accomplished?
A gift you give yourself
For millions, the holidays are a mixed bag of emotions. Ease the anxiety and depression with a special gift for yourself.
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Learn more about your ad choices. Visit megaphone.fm/adchoices