英语听力:自然百科 国家地理:钻石:黑暗的一面—2(在线收听

 Surrounded by infra-red cameras, motion detectors and light sensors, the volt and its lock with a million of possible combinations are broken open, without triggering any of its state-of-the-art alarm systems. More than a hunderd safty boxes were broken open, leaving the less valuable loots scattered over the floor. The thieves got away with more than one hundred million dollars worth of diamonds, the biggest known gem heist in the world.-The next question was who was responsible for this.

The building was under 24-hour video surveillance, but when police went to check the security tapes, they, too, have been stolen.
-Some doubt came into our mind, like how are we going to solve this thing.
But the detectives have one clue. The volt door had not been blown, meaning the thieves must have known the combination. Was it an inside job?
The diamonds got have to move quickly. Once sold, the stolen diamonds will vanish into a lucrative, multi-billion trade, expending the globe.
Diamonds are valued by four Cs, clarity, colour, carat and cut. But rough diamonds, as they come from ground, are nothing like the cut and polished gems. To see a flawless jewel with a deceptively drive s* of rough diamonds is a rare skill. 
And something comes naturally to l*'s smuggler Samule S*.
-Beautiful stone, beautiful. I can never forget the stone.
His lust for diamonds had let him to corrupt dealers, ruthless killers and jail.
  原文地址:http://www.tingroom.com/lesson/zrbaike/2013/281824.html