The first ever underwater relay of the Olympic torch between two robots was successfully performed in China on Wednesday, a video has revealed. The handover involved the flame being submerged via special torches for around eight minutes, and was held in the middle of the icy Yongding River. Each of the curling-stone-shaped robots held a metallic red and silver torch in their arms to pass the flame with, during this leg of its three day journey through Beijing . The opening ceremony of this year’s Winter Games will be held on February 4 at 8pm CST (12pm GMT) at the...