they can also be sited in places that are well-lit and public, or, in the case of windows, hard to access.

제가 질문하고 싶은 것은 in places를 where로 바꿀 수 있는 건가요?
뒤에 나오는 that절과 상관없이도 가능한거죠?
they can also be sited where/in whichthat are well-lit ~~~. 이렇게요.