i highly doubt, this makes sense for a small country like Lebanon to prevent and have an excuse against carpet bombing, but this doesn't make any sense for a large country like IranI think yes, but I hope not
All of the osint with satellite imagery shown they are most likely in the middle of nowhere in uninhabited areas like mountains and desert
But there should be entrances/exits near some cities, but not in the middle of them, doing this is asking for civilians to get killed