dubai has turned an enormous section of desert into an event where nearly every country under the sun gets to wave its flag and show off its ideas on a world stage. # tell me do you wanna go? # where it's covered in all the coloured lights? the hype has been huge, so it's time to see if it's lived up to its promise. time to find out if this is the greatest show. 192 countries, 192 pavilions, all different, some extravagant, somejust bonkers. and maybe, just maybe, some world—changing ideas hidden amongst them. who knows? maybe it's the robot helpers delivering food, giving directions and... robot: excuse me, i'm in charge of the security here. _ please let me through. ..keeping order. maybe it's the giant displays, some of the biggest and boldest i've ever seen. is it the architecture itself,