And yet, in less than two hours, it is all done! The choreography was perfect, it has to be said: for each new pylon head the helicopter first makes a quick drop next to the pylon, just for a few seconds, so that the team on the ground can attach the necessary guide ropes.
The helicopter then rises so it can place the head on top of the pylon: while the pilot manoeuvres as precisely as possible two people on the ground pull on the ropes to guide the head into position.
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