A little crass, plenty of sass, and in a class of her own: Bette Midler's concert at Rogers Arena in Vancouver Tuesday contained everything that has made the 69-year-old multi-talented performer a jewel in the world of entertainment's gilded crown. Images of the Endeavour hydrothermal vents 250 kilometres off Vancouver Island and 2,250 metres below the ocean's surface reveal a rich environment of sealife, including species found nowhere else on Earth.