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The evacuation this Sunday of children trapped in a cave in Thailand for 15 days is done by a path full of obstacles, including a very narrow pbadage, which terrifies the divers.
recovered four children who are being evaluated right now by doctors, ending a nightmare that has begged the whole world of football because children are part of a team.
Escape diving
This is a very narrow area called "T-union" or "T-intersection" (in Thai, we say "sam yak").
At this stage, the pbadage is a kind of tube that must be sneaked. "The pbadage, very narrow, back then falls" and requires contortion, explained on July 2 Narongsak Osottanakorn, the head of the crisis cell
This area is 1.7 kilometers from where are the children . Once this section is over, they will be less than one kilometer from the third gallery, where rescuers have set up their base camp.
Once there, they will still have a distance of about two kilometers, but the worst will have happened to reconnect with their families
Duration of the trip
They are more than four kilometers of road with the flooded and narrow parts.
The rescue cell did not say Sunday how much the water level had dropped, all in the dreaded "T intersection."
The exact level of water is the big unknown. While the cave was flooded several meters in some sections, "the level of water in the cave continued to drop" to an acceptable level, said Sunday Kobchai Boonorana, of the Ministry of the Interior [19659012]. the moment of evacuation and while, they pumped the water to minimize the parts of the underwater journey.
This week it was revealed that an experienced diver took 11 hours to come and go to where the kids are: six hours one and five round trips thanks to the current.
The authorities announced the departure of divers to bring them to the local 10am (0300 GMT). The first survivor must leave "around 21:00" (14:00 GMT), about 11 hours later
"Boiling water"
Diving in this cloudy water "like coffee with milk" is a big challenge for professionals, explains a diver.
"There is no visibility, the space is locked up," said Matt Fitzerald, a diver from the Australian Federal Police interviewed by AFP this week. He managed to dive in part, but could not reach the end.
Under these murky waters, it is impossible to consult the watch or any other equipment for measuring the immersion time.
Divers installed rope
Some do not know how to swim
Many children between the ages of 11 and 16 can not swim and none have dipped.
"Everyone will be escorted by two divers," he said.
The doctors accompanying the rescuers considered that the children were fit to try the exit, although they could be weakened by their two weeks in the cave, the first of which was without food or contact with the outside .
– The psychological factor –
In addition to the physical state, the psychological preparation of children is crucial
"They were informed of the operation and are ready to be evacuated and to meet all the challenges, "Osottanakorn said Sunday
The children received letters from their parents through the divers, where they reaffirmed their confidence in their ability to achieve this feat.
But immerse yourself in the murky water that forced them to flee each time more towards the depths of the cave is not easy.
Children tend to be afraid faster, although until now, this group has shown great mental resistance.
"If only one of them panics, in case of a problem with the respiratory or other system, this will have a big impact on all the others," warned Andrew Watson, British emergency specialist , consulted by AFP in England.
Not to trigger this panic Rescuers said Sunday that children would leave "one by one".
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