Da Nang  峴港 Dragon Bridge Vietnam   Note 234 Rainbow and Dragon in Vietnam  Common features shared between many indigenous groups with regards to Rainbow include -  Rainbow and Bridge Indigenous word for Rainbow  (for what I read in 1935 report and others online) all developed from Chinese word 虹 - an arch-backed two-headed worm  虫.  Perhaps with one exception (again - for what I read) - Saisiyat. Utux 靈- Ancestral Spirits Rainbow connection with ancestral spirits is ubiquitous in indigenous cultures. Examples -  Kachirai   加芝來社  Paiwan - Rainbow qolivag - 虹 - Rainbow Also notice  qolo - head 首 ( Proto-Malayo-Polynesian) Saisiyat Bridge and Rainbow  乘涼 （sit in the shade. enjoy the cool) 山枇杷 Photo @ Alishan Tsou village 山棕 Photo @Alishan Tsou Village Ta'ai 大隘 Tribe. The only matching word to Bridge is 納涼 (relax in a cool place/in the shade) Ta'ai 大隘 Tribe ta'ai tale -   Bridge 橋 (虹) 納涼. Connection to Spirits...