There are rock-cut temples in India which are pretty jaw-dropping in the number of years it must have taken to complete: https://en.wikipedia.org/wiki/Indian_r

There are rock-cut temples in India which are pretty jaw-dropping in the number of years it must have taken to complete: https://en.wikipedia.org/wiki/Indian_rock-cut_architecture https://en.wikipedia.org/wiki/Indian_rock-cut_architecture