TAY - THAI

Ha Giang

Lao Cai, Ha Giang, Lai Chau, Yen Bai

Lai Chau, Dien Bien, Son La, Ha Tinh

Dien Bien, Lai Chau

Lang Son, Cao Bang, Bac Kan, Thai Nguyen, Ha Giang, Bac Giang, Quang Ninh, Lao Cai, Yen Bai.

Tuyen Quang, Thai Nguyen, Bac Giang, Quang Ninh, Cao Bang, Lang Son, Phu Tho, Vinh Phuc

Quang Ninh, Bac Giang, Lang Son, Cao Bang, Bac Kan, Thai Nguyen, Ha Giang, Tuyen Quang, Lao Cai, Yen Bai.

Hoa Binh, Lai Chau, Dien Bien, Son La, Lao Cai, Yen Bai, Thanh Hoa, Nghe An and the Central Highlands