Rescuers heading towards 'Goldilocks zone' inside tunnel

Tessa WongAsia Digital Reporter Tunnelling expert Arnold Dix, who has been advising the Nepalese government on how to conduct the rescue, tells me rescuers have tunnelled through 60m of the tunnel, with another 150m to go. At the end of the tunnel is what he calls the "Goldilocks zone" which would be "more friendly to life". This is where they hope to find more of the survivors - nearly 40 people are still thought to be trapped in the tunnel. The "Goldilocks zone" i