I will get downvoted for this, but note that many of these locations are... a bit rugged. Probably best to avoid this tour at night unless you have a large party and to be careful using your phones.
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People that are not used to that would definitely feel unsafe in that situation.
do you happen to be a male? it's hard to think about how a female would feel in a situation if that is true. it wasn't something that I fully considered until much later in life. having a daughter will suddenly slap you in the face with those kinds of realizations