Master Kwan S.Y. had been an engineer for more than 30 years. After retired from being an engineer, he enjoyed hiking and taking photo with his wife and grandson.
While touring around different hiking spots and countries, he knows a lot of plants, routes, culture of different nationalities, etc.
As the role model of the elderly, Master Kwan is healthy and strong. He has donated blood for more than 180 times.
About his stories:
http://www.qesaausa.org/article/qesaausa/2016
https://hk.on.cc/hk/bkn/cnt/news/20220610/bkn-20220610060012855-0610_00822_001.html