Bent Northrop Memorial Library

"Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk - marching day and night in single file 70 miles into the darkest, driest and coldest continent on Earth ... Breathtaking photography captures the transcendent beauty and staggering drama of devoted parent penguins who, in the fierce polar winter, take turns guarding their egg and trekking to the ocean in search of food. Predators hunt...

Segments 4 through 6 of the extraordinary BBC 11-part nature series. 40 camera teams were shooting at over 200 different locations all over the world for more than 5 years to get the pictures seen in the series. Each segment is followed by a sequence investigating the techniques and challenges of wildlife photography within that segment. Caves: Deep in an undiscovered world, including both poisonous and flooded caves, we find astonishing crystals;...