Travel photography course.
Carriage at Khanh Hoa Port
https://en.vietnamplus.vn/two-more-trains-metro-line-no1-arrives-in-hcm-city/204630.vnp
Engineer inspects track
https://e.vnexpress.net/news/news/independent-consultant-to-investigate-beam-fault-on-hcmc-metro-route-4245175.html
Inspecting beam support pad