Devon Massyn on Instagram: "The craziest dive of my life. We made an expedition to an extremely remote region of the Solomon Islands to film sharks around one of the most active submarine volcanoes on Earth—Kavachi. Because of its isolation, no one had been there in over two years, so we had no idea what we would find or if the volcano was even active at the surface. You are quickly reminded of the intense power of the Earth here. Even while scuba diving more than 50 miles away, we could hear it

Why build a diving board twice the Olympic height?