Sifu Alex Lo is the 4th generation below the famous Wong Fei Hung.
https://en.wikipedia.org/wiki/Wong_Fei-hung
http://www.kungfusul.com.br/
http://www.worldhungkuenassociation.org/?lang=1
https://www.facebook.com/travellerni/
...
https://www.youtube.com/watch?v=jKb7fZCVPqk