Luxor, where my stepsister and I started our Nile cruise, has the largest temple in the world at Karnak – it could accommodate ten cathedrals and each stone block took 50 people to drag up from the river. was delivering his. There are about 200 of them in varying sizes, carrying 60 to 160 passengers at capacity. Nile cruises navigate the 125 miles of river between Luxor and Aswan. The…