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 ‘dynamic apnea’
Diving trip disasters: Part three
A setback in Cebu.
July 11, 2015
Freediving pool training
Static and dynamic apnea in Hong Kong for beginners.
March 12, 2015