Now three ocean adventure seekers are competing for the return title: Triton Submarines CEO Bruce Jones, Hollywood Director James Cameron, and British mogul Richard Branson.

目前有三个探险者正在为回归主题竞争：海神潜艇总裁布鲁斯·琼斯，好莱坞导演詹姆斯·卡梅隆，和英国的巨子理查德·布兰森。

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Cameron Jones, vice president of rail industry technology specialists SilverRail, agrees that competition in the sector can benefit the consumer.

CNN: 'Ferrari' train driving high-speed rail renaissance

After a meeting at Downing Street, Mr Jones said David Cameron had "listened to my viewpoint... that the electoral system should not be changed without the consent of the people of Wales".

BBC: Welsh assembly voting: Carwyn Jones meets David Cameron

Carwyn Jones said he and Mr Cameron discussed "at length" the UK government's Green Paper on changes to Assembly boundaries.

BBC: Welsh assembly voting: Carwyn Jones meets David Cameron