4 ms·
See also: Vitrified forts: https://en.wikipedia.org/wiki/Vitrified_fort https://en.wikipedia.org/wiki/Vitrified_fort
by jccooper 6y ago
See also: Vitrified forts: https://en.wikipedia.org/wiki/Vitrified_fort https://en.wikipedia.org/wiki/Vitrified_fort