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School teacher V. Lakshmi Narayan, right, explains facts about space travel to his students at an exhibition on space technology at the Visvesaraya Industrial and Technological Museum in Bangalore, India, Sunday, Feb. 1, 2004. In the background is a photo of the space shuttle Columbia in mid-flight. Today is the first anniversary of the accident which killed its crew, including Indian-born astronaut Kalpana Chawla. (KEYSTONE/AP Photo/Gautam Singh)