Kenneth Koh and Laura Liong of Advanture Nomad recently went to Vietnam for their first long cycling trip. They brough along the Totobobo mask to help keeping the occational air pollution in check.
You can read Kenneth’s review of Totobobo mask and loads of interesting stuffs here

Rice paddy field just off Highway 1, near Hoi An, Vietnam. Photo courtesy of Laura Liong

Rush hour in Danang, Vietnam.