We're here in preparation for Suunto Vertical Blue, which is one of the most freediving competitions in the world One of the things that lured into the sport was the whole science behind it.
我们在这里为 Suunto Vertical Blue 做准备,这是世界上最自由的潜水比赛之一。 这项运动背后的全部科学知识吸引了这项运动。