蒙哥
The Zelenchuksky Churches or, Lower-Arkhyz Churches are located in an archaeological preserve extending for four kilometers around the ruins of Nizhnearkhyzskoe gorodishche near Arkhyz, Karachay–Cherkessia, Russian Federation. The site is tentatively identified as the medieval capital of Alania, a Christian state destroyed by the hordes of Möngke Khan in the 13th century.