Mariana Trench: Don Walsh's son repeats historic ocean dive - BBC News
Mariana Trench: Don Walsh's son repeats historic ocean dive - BBC News Sixty years after his father did it first, Kelly Walsh dives to the deepest point in Earth's oceans.LINK
Mariana Trench: Don Walsh's son repeats historic ocean dive - BBC News Sixty years after his father did it first, Kelly Walsh dives to the deepest point in Earth's oceans.LINK