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Dipanjana Mukherjee Venkat Pulapaka Sonal Panse Dipanjana Mukherjee Venkat Pulapaka
First flight of Concorde in France.
Bucket-wheel excavator.
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Scientist mounting Golden Records on Voyager spacecraft.
NASA astronaut holding a "For Sale" sign for the satellites.
Znamya Satellite
Submarine cables.
Kathy the dolphin.
Chain home radar
Wallace Line
Bucket-wheel excavator.
Bingham Canyon Mine.
Optical telegraph in Stockholm
California as an island
Lockheed Martin F-22A Raptor.
Bristlecone Pine Forest in eastern California.