Uttarakhand tunnel collapse: How the 17-day India rescue unfolded

India has celebrated the rescue of 41 construction workers who had been trapped in a collapsed tunnel in the Himalayas for 17 days.

The workers were greeted with applause and traditional marigold garlands as they emerged from a steel pipe that had been pushed through the rubble.

Here's how the rescue operation, which took over 400 hours and was plagued by mishaps, unfolded.

Video by Nikita Mandhani and Gianluca Avagnina.