1 、 National Day is here, the streets and alleys colorful flags flying, a festive atmosphere.
2, Beijing is full of beautiful colorful flags and warm blessings during the festival.
3 、The square is very lively with colorful flags flying and people's voices buzzing.
4 、 A colorful flag fluttering over the stadium.
5 、Colorful flags flying, drums and gongs at the celebration.
Explanation 1. colored flags. Anciently used as an honor guard. 2. Now used for the venue and parade, celebration and other activities.