gd55光大在老品牌 Race Across The World, a new six-part series for BBC Two, will pit pairs of travellers against each other in a race to reach the Far East without taking a single flight, with no smartphone in sight. Each contestant will only have the cash equivalent of an air fare to their destination to pay for their overland travel. If they run out, they'll need to earn more. 　　Setting out on t...