Probes by codelco 's engineers found the miners still alive 17 days after the rockfall .
由codelco公司的工程师制造的探头发现岩崩17天之后矿工仍然活着。
The rescue in october of 33 miners trapped underground by rockfall was an impressive display of the chilean state 's competence .
十月份成功营救因塌方而被困地底的33名矿工的壮举深刻展示了智利的国家实力。
Putting all these clues together , evenson was able to pinpoint the source of the rockfall to one of three locations , the most likely of which was beside a tributary called the parry glacier , 200 kilometres from the boulders present locations .
The rockfall hazard will take place inevitably under the condition of steeper hillside after ground collapse or cave to ground surface caused by exploitation with caving method .
