This is my Istanbul three day itinerary! It may seem tricky to squeeze it all in, but it's doable. Istanbul cannot be sufficiently described without being seen. At one corner you've traveled back in time to haggle for spices. At the the next, you're taking a trolley to a curated museum. This city is so many things in one. Constantinople of the ancient world, Istanbul is on the bridge between two continents, and this is…