The first images emerged on Tuesday of 41 men trapped for more than a week in a highway tunnel in the Indian Himalayas, showing them standing in the confined space and communicating with rescuers.
The men have been stuck in the 4.5km (3-mile) tunnel in Uttarakhand state since it caved in early on November 12 and are safe, authorities said, with access to light, oxygen, food, water and medicines.
They have not said what caused the cave-in, but the region is prone to landslides, earthquakes and floods. Efforts to bring out the 41 men have been slowed by snags in drilling through the debris in the mountainous terrain.
A 30-second video provided by authorities showed about a dozen of the trapped men standing in a semicircle in front of the camera, wearing helmets and construction worker jackets over their clothes against the backdrop of the lights in the tunnel.
A rescuer outside could be heard telling the men to present themselves before the camera one by one, to confirm their identities on the walkie-talkie gear that had been sent in.
The video was shot using a medical endoscopy camera that was pushed through a second, wider pipeline of 15cm (6 inches) in diameter, drilled into the debris on Monday, authorities said.
Indian rescuers plan new shaft to free 41 trapped tunnel workers
Indian rescuers plan new shaft to free 41 trapped tunnel workers
In the clip, the trapped men appeared to be doing fine, answering that they were all right in response to queries about their well-being, said one official in the rescue control room who spoke on condition of anonymity.
Rescuers are set on Tuesday to resume drilling horizontally through a 60-metre (195ft) pile of debris to push through a pipe large enough for the trapped men to crawl out.
Drilling had been suspended on Friday after a machine snag and fears of a fresh collapse.
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Rescue efforts intensify to free 40 Indian workers trapped for days in collapsed tunnel
Rescue efforts intensify to free 40 Indian workers trapped for days in collapsed tunnel
Abhishek Sharma, a psychiatrist sent to the site by the state government, said he had asked the 41 men to walk within the 2km (1.2-mile) area where they are confined, do light yoga exercises and talk regularly among themselves to keep occupied.
“Sleep is very important for them … and as of now they have been sleeping well and not reported any difficulties in sleeping,” Sharma said, adding that the men were in good spirits and keen to emerge soon.
Another doctor at the site, Prem Pokhriyal, said the men had been asked to avoid heavy workouts that could boost accumulation of carbon dioxide gas in the confined space as they breathe out.
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“He said he is doing fine,” Sunita Hembrom, the sister-in-law of one of the workers trapped in the tunnel, Surendra Kisko, told reporters after she spoke to him.
“He said, ‘Take care of yourselves, the children and parents. Just tell us what they are doing to get us out of here.’”