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Earth from Space 2000 Calendar

This image is centered on a mountainous region of southeast Tibet, about 56 mi (90 km) due east of the city of Lhasa. A wide valley of the Lhasa River appears in the lower right corner of the image. The mountain summits are roughly 19,000 ft (5800 m) above sea level, and the valley floors are roughly 14,000 ft (4300 m) above sea level. In this image, orange represents granite rocks, and blue represents older sedimentary and volcanic rocks. The Lhasa River is part of the Brahmaputra River system, which is one of the largest rivers in southeast Asia. The image was obtained by SIR-C/X-SAR on the Space Shuttle Endeavor on April 10, 1994 and shows an area about 21 mi (34 km) on a side, with North toward the upper left.