A Japanese doctor is warning Vietnamese people considering traveling to Japan to work as vocational trainees to think twice, saying the system amounts to "slavery" and uses the country's positive image to take advantage of those who enroll.Junpei Yamamura, a doctor at Minatomachi Medical Center in Yokohama, near Tokyo, produced a 13-minute video in Vietnamese after visiting the Southeast Asian country between May and June to interview four people who returned home after having bad experiences in Japan's vocational trainee system.In the video, the interviewees, including a 24-year-old man wh…READ FULL ARTICLE