Adelaide Eleanor DupontBlockedUnblockFollowFollowingSep 14, 2017Kaesong city, the ancient capital of the Koryo Dynasty. Watch closely on the balconies. Yes, they are solar panels installed to compensate for electricity shortage. North Korean cities may well have the highest solar panel penetration rate on earth.The Hermit Kingdom brought to lightQiheng Chen25413And then it makes you think back and back and back. These dynasties are important!