One woman?s campaign to preserve the music of the Golden Triangle hill tribes... "A simple snowflake became a tantalizing clue for anthropologists tracing the origins of the ethnic groups that populate the Golden Triangle region where the borders of Burma, Thailand and Laos meet...A Lahu Shi man with his baby and his drum. Photos: VLCTORIA VORRELTER The songs of these people are their substitute for a written history, according to Victoria Vorreiter, who spent five years documenting and recording the music, poetry and songs of six major ethnic groups: the Akha, Hmong, Karen, Lahu, Lisu and Mien..."