I am incredibly scared of heights and I tried to go to the library the other day...I only made it to the fifth floor and I had to turn around and leave because it was so scary. I didn't even get to check out the shelves. The escalators are super steep, there are all kinds of balconies to look down to other floors from, and the windows all around don't help for those with vertigo. I wanted to sit on the floor and crawl out.
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