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Olho da Quebrada is one of my favorite Portuguese caves. For sidemount only! It is a narrow cave with several restrictions for one mount. The exploration is still going on.
Dual CCR, #Flex2 and #Liberty sidemount ecrr, Cave&Tec courses for divers and instructors in Portugal from Anton Zhuchkov #IANTD
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a.s.zhuchkov@gmail.com