Former top-secret Chinese nuclear bunker that's the world's largest man-made cave at one MILLION square feet is now open to the public

The 816 Nuclear Military Plant, located in China's Chongqing municipality, used to be a top-secret hideout
    It was designed to manufacture nuclear plutonium in the 1960s but was stopped from doing so in 1984
    For the first time, foreign tourists are invited to explore its vast winding caves and modern light displays[CN]

816地下核工厂，位于重庆市自治区，过去是一个绝密的藏匿地点。该地洞是20世纪60年代建来制造核钚，1984年该项进程就被阻止了。

China's vast 816 Nuclear Military Plant (pictured) was designed to manufacture plutonium in the 1960s, but despite being stopped from doing so in 1984, it hasn't been open to the foreign public until this year[CN]

中国巨大的816地下核工厂（如图）是20世纪60年代建来制造核钚，尽管该项进程1984年就被阻止了，这所工厂公之于外国观众也是今年的事。

The historic base is so enormous at more than one million square feet, that tours take three hours and must be led by a guide[CN]

这个历史性的基地庞大无比，有100万平方英尺，整个旅程需要3个小时，还得是在导游带领下才能参观。

It was never put into operation, despite taking 17 years to be built, nor has it ever stored nuclear material, but it has since been renovated to feature light displays[CN]

尽管花了17年来建造，但是这所核工厂从没有运作过。而且这所工厂也从未储藏过核材料，但随后就转为灯光展示了。

The enormous space spans more than 12 miles, with 18 main caves and more than 130 roads and tunnels to wander around in[CN]

这个空间长12英尺，有18个主洞穴，130多条道路和隧道可供行走参观。

The site boasts educational displays, and hopes to attract its first visitors from overseas - no foreigners have been thus far[CN]

这个现场催生了教育展示，希望可以吸引海外的第一批游客 – 还没有过千里之遥而来的游客。

It was designed to tolerate thousands of tons of TNT explosives, and at least 100 workers were reported to have died during construction[CN]

这个核工厂是用来装载上吨的TNT炸弹的，据报道建造过程中至少死了100个工人。

Zhang Xiaodong, the former assistant manager of the Chinese military plant, takes viewers through its engrossing history[CN]

ZHANG Xiaodong，前中国军工厂副经理，带着参观者穿越这一段引人入胜的历史。

It could be straight out of a Bond movie.[CN]

简直就是邦德系列的电影啊。

This vast underground cavern, formally a top-secret Chinese nuclear base, has finally opened for tourists to have a poke around.[CN]

宽敞的地下洞穴，前身是绝密的中国核基地，终于面向公众开放，让人们大饱眼福了。

Hailed as the largest man-made cave in the world, the 816 Nuclear Military Plant, located in the mountains of Fuling district in China's Chongqing municipality, was designed to manufacture plutonium in the 1960s - a 17-year project involving more than 60,000 soldiers.[CN]

816地下核工厂被标榜为世界上最大的人工洞穴，位于中国重庆自治区涪陵的山区地带，建于20世纪60年代以制造核钚 – 这项目费时7年，6万多士兵参与其中。

While it was stopped from going into operation in 1984, the base wasn't declassified until April 2002, and it hasn't been open to foreign visitors until now.[CN]

1984年被禁止运行之后，直至2002年4月份这基地才开始解密。直到今天才向外国游客公之于众。

Yang Yan, an administrator at the site, told China Daily: 'So far, no foreigners have visited the plant. A tour takes three hours, and visitors must follow the guide, otherwise they will get lost in this maze-like cave.[CN]

Yang Yan，现场的指挥官，告诉中国日报：目前还没有外国友人参观过这个工厂。旅程费时3个钟，游客需在导游带领下参观，不然就会在这迷宫一般的洞穴迷失方向。

The enormous space spans more than 12 miles, with 18 main caves and more than 130 roads and tunnels, which vehicles are free to pass through.[CN]

这个空间长12英尺，有18个主洞穴，130多条道路和隧道可供行车辆通过。

It was designed to tolerate thousands of tons of TNT explosives, and at least 100 workers were reported to have died during construction.[CN]

这个核工厂是用来装载上吨的TNT炸弹的，据报道建造过程中至少死了100个工人。

These days, it's been renovated to feature colourful modern lighting, as well as educational displays. And visitors need not fear for their safety.[CN]

如今，核工厂已经改造成五颜六色的现代灯光展，还有教育展示。游客无需担心其安全问题。

'This base has never been put into operation or stored any nuclear material,' Mr Yang said. 'There is no need to worry about radiation. It is safe to enter.[CN]

“这个基地没有运行过或者储存过任何核原料”，杨先生说道，“无需担心辐射问题。进入（参观）保证安全。”