Complex sentence: The westernmost strait, between Egypt and the island of Tiran, overlooked by the Egyptian city Sharm el-Sheikh, the "Strait of Tiran" has two passages deep enough to be navigable by large ships.
Split into simpler sentences: The westernmost strait, between Egypt and the island of Tiran, overlooked by the Egyptian city Sharm el-Sheikh is the Strait of Tiran. It has two passages deep enough to be navigable by large ships.