Cracks on the 1.5-meter thick ice have created a stunning 3D maze of veins on the surface of Lake Baikal in Russia's southern Siberia. As the lake contains freshwater, the ice is completely clear, providing a unique sight for visitors.
These are humpback whales in the Antarctic peninsula, phytoplankton in the icy waters give their pectoral fins a fluorescent appearance Filmed by Richard Sidey and Aliscia Young.