You may need a strong stomach, locals joke. As the Dubai metro proceeds along Sheikh Zayed road, the highway that is the backbone of the emirate, the viaduct piles rise and fall to take account of existing and future buildings. Wags say that it looks rather like a massive roller-coaster rather than a rail system.
Roller-coaster or not, the Dubai metro is urgently needed and construction is proceeding at a rapid pace.
