Though they have been carrying avalanche beacons, their families at your house ended up alerted towards the incident for the reason that one of them experienced a satellite communicator and their monitoring had stopped.  Phù H?p v?i ?? Tu?i và Môi Tr??ng S? D?ng: L?a ch?n thi?t b? c?n ph?i phù h?p v?i ?? tu?i c?a tr? và môi tr??ng s? d?ng.A