
Exploring Phja Oac – The Mountain of Transformations
(TITC) – From the old Cao Bang City heading west, travelers will encounter dozens of geological, ecological, and cultural heritage sites, centered around Phja Oac – Phja Den National Park and the Special National Historic Site of Tran Hung Dao Forest. This route, part of the Non Nước Cao Bằng UNESCO Global Geopark, reveals

