Reminds me of this interesting behind-the-scenes look at an escalator replacement: https://news.ycombinator.com/item?id=28207386 https://news.ycombinator.com/i

Reminds me of this interesting behind-the-scenes look at an escalator replacement: https://news.ycombinator.com/item?id=28207386 https://news.ycombinator.com/item?id=28207386