This is an incredible hi-res bird’s eye view of San Francisco taken by DigitalGlobe’s WorldView-3 satellite. WorldView-3 is about 17°
Read MoreChina (right) Meets Kazakhstan (left). China covering approximately 9,600,000 square kilometers (3,700,000 sq mi) and has population of around 1.404
Read MoreThe Russian-China boundary consists of 2 non-contiguous segments. The eastern, more extended border part is about 4,194 kilometers (2,607 mi) in length. The western border part is much shorter (less than 100 kilometers or 62 miles). Because of differences in population density, the border between the two countries is often visible from space.
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