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Kalka-Shimla Mountain train in Himachal Pradesh of India, a World Heritage Site
Train on railway in motion. Traveling on Passenger train on railway from forest, aerial view. Train with passenger cars rides. Drone view of an passenger locomotive with wagons in moving on railroad
New Asian caregivers undergoing training
Close-up view of a subway tunnel between stations. The underground passage is illuminated by work lights along the walls.

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