 Iceland: This winter image, captured in January, shows Iceland cloaked in snow, covering its four permanent ice caps. Due to its position on a fault line, Iceland also experiences high levels of volcanic activity, with much of the land covered in lava flows. | |  The River Thames: A satellite view of the river as it snakes from Chelsea Bridge in the west to Tower Bridge in the east. Despite a population of more than 8 million, London boasts many parks and open spaces around its city center, visible in this image. | |  The Congo River: An image of the river where it splits to form Malebo Pool on its journey to the Atlantic Ocean. The Congo River is the second longest in Africa, after the Nile, and is the world’s deepest river with recorded depths of over 750 feet. | |