Borders have always fascinated me. Particularly those that have rich habitat on the “other side” that is likely to hold any number of species rarely or even never seen “this side” of a political line. China’s 1241km border with Vietnam and 423km border with Laos are of particular interest, because many species that breed in Indochina as far north as northern Vietnam (east or west Tonkin) and northern Laos have at best a precarious foothold in China. Read My Trip Report as a PDF here