Chinese characters were also used in Vietnamese and Korean until surprisingly recently.

Yeah if anything I’d expect a coal mining museum to be way more aware of the impact of their energy source and be more likely to switch to solar.

tl;dr, yes If you want to watch a 20 minute video about it instead of 1 word answers, https://youtu.be/V-jmSjy2ArM

Correct copies are also mutations, for what it’s worth.

I think OP means they are talking about their ages