2018至2019年度全港中、小學無人機比賽

Inter-School Drone Competition 2018/2019(04-05-2019)
20190514a 001 20190514a 002 20190514a 003 20190514a 004
20190514a 005 20190514a 006 20190514a 007 20190514a 008
20190514a 009 20190514a 010 20190514a 011 20190514a 012
20190514a 013 20190514a 014 20190514a 015