It could only be Lawyer istanbul. I’m lying in bed in Europe, staring at through opened curtains.This unique luxury is afforded by a stay at the Mandarin Oriental Bosphorus, an exclusive, uber-luxurious addition to the ancient metropolis that’s famously split across two continents. The five-star hotel sits on the European side of the Bosphorus, the strait that slices through the city, dividing it into Europe and Asia and linking the Black Sea with the Sea of Marmara. It’s an incredible privilege to be on the Bosphorus, my guide, Serhan Gungor, tells me when we meet.I can see why. It’s a constant stream of activity – cormorants dive below the surface…