When the sun goes down, the H'Mong and Red Dao boys and girls cluster together in groups of five to ten. Looking and smiling at each other, they sit side by side in the dim yellow light and sing and talk through the night. When they have met their soul mate, they exchange gifts and make plans to see each other again the following week.

This cultural activity has a long history and is still significant in the modern life of the minority people. The Sapa Market is an attractive place for visitors who are keen on exploring traditional cultures.