3 ms·
That's pretty impressive. Given the size and importance of the mirrors, I wondered how they actually clean them. Came across this: https://www.youtube.com/watch
by millioncents 12y ago
That's pretty impressive. Given the size and importance of the mirrors, I wondered how they actually clean them. Came across this:
https://www.youtube.com/watch?v=CkV8RRRu7gE https://www.youtube.com/watch?v=CkV8RRRu7gE