Tua Chua Karst Plateau

scenic plateau sandwiched between the high mountains of north-western Vietnam.
T 1 GJMU T 2 ZKQG T 3 VSHC
T 4 DDHL T 5 FSTO T 6 AOJW
T 7 AXNK T 8 AEMS T 9 BLND
T 10 IKUW T 11 KOLO T 12 VERW
T 13 JYEC T 14 CMXS T 15 APUB
T 16 WGGR T 17 GOBR