Behind the scenes: Hong Kong's offal noodles
Cattle offal is considered as a delicacy by many Hongkongers. Fresh offal is considered the best, however there is only 16 offal collectors left in the city.
72-year-old Cheng Chuen-fat is one of them.
(Some footages shot by DJI Osmo. Slaughterhouse footages provided by interviewee)