Trade with who? There are no indians, just Persia up there. It's much nearer across the desert. The Suez Canal was built in the 1800s. I don't think it should be possible to pass the Sinai with ships. That's also ahistorical. No navy traversed the Red Sea, nor the Persian Gulf in Antiquity other than for commercial operations, which are absent from Civ4 (maybe a Great Merchant mission could qualify as that). I'll add plots to the south because Egypt seems too short. Most of the new tiles will be desert anyway. And I'll try to connect those two seas, though I don't see the point really. Why do you want to make the Mediterranean bigger? I think all that part of the map, including Italy and Greece, is fine now. Those two are already huge enough. I'll also add some rivers (easily editable for me, don't take it as anything other than a test).