Tìm lỗi sai: Spring is a time when there is many festivals in our country. Among them, Hoa Ban Festival is a most beautiful and interesting, and it takes place in Lai Chau. It is typical of the cultural life of the Thai people. In the second lunar month of the year, when it get warmer and hoa ban – a kind of beautifully flower in the northwest mountainous area - blossoms, Hoa Ban Festival is celebrate. 1…………… 2……………. 3…………… 4……………… 5……………