green blue sea ∙ 蔚藍碧海
Hong Kong diving and underwater photography blog
HK marine life
Linear view vs. Masonry View
Tag Archive for ‘equalization’
AIDA 3 open water skills in Hong Kong
The ups and downs of training.
November 17, 2015
AIDA 2 freediving course — into the ocean
20 metres down at Moalboal and not a scuba tank in sight.
May 8, 2015