Don't miss Blue Mountain Square in Ho Chi Minh City. Blue Square is located in the center of the first county of Ho Chi Minh City. It's in front of the city hall. It's more than 50 meters wide and more than 200 meters long. At the same time, it's planted with trees and flowers. It's better to prohibit traffic and vendors in the square. It's free to open all day. The festival atmosphere is more intense. Welcome 2018. The scene was so lively that it was full of people and melted into the music.