Unlike billions of other worlds in the Milky Way, 71 per cent of our Blue Planet is covered by ocean. It's home to the greatest diversity of life on Earth but is our least explored habitat; we've better maps of Mars than of the ocean floor... Zobraziť viac
BBC Books: 'No one from this time will ever see that girl again...' The Doctor, Amy and Rory round off a sight-seeing... Zobraziť viac
