Travel Yen Bai to Khai Trung Green Plains to immerse yourself in the valley of flowers Traveling to Yen Bai must include the green plains of Khai Trung. As a commune in the highlands of Luc Yen district, nearly 100km from Yen Bai city, this land is relatively flat at an altitude of 700m above sea level; Surrounded by high rocky mountains. Going to Khai Trung Du, you can breathe fresh air and enjoy the peaceful scenery amidst the wild and beautiful landscape. Visitors will admire primeval forests and magical cave complexes; enjoy cultural and artistic exchanges; Especially immerse yourself in the brilliant flower valley with more than 40 species of sparkling flowers blooming among the mountains and forests.