Comprehension 3

Everwondered about those tall structures that are landmarks along every shore allover the world? Lighthouses. We see them in pictures and in movies andalong every seashore. Tall, statelystructures looking out to sea, warning the incoming ships of approaching land. Didyou know what served as a lighthouse... see morein the early years? The locals from the area would light a fireat a height to warn boats of any impending dangers like rocks or evenland. The early constructors oflighthouse included the Greeks, Romans and Phoenicians. Howdo you think these lighthouses showed the way to incoming ships? Those were the days when technology had nottaken over the world. The lighthousesused lamps to guide the ships. However,these lamps could throw light only as far as a few miles into the sea. It was only much later that mirrors, prisms,electricity and the automatic working of a lighthouse came to be. It is indeed amazing what these statelystructures out in lonely locations across the world mean to the sailors as theynear land after days out at sea. Didyou know that the Lighthouse of Alexandria is one of the Seven Wonders of theAncient World? It was located on the island of Pharos in Egypt and it was built in 290BC. The lighthouse used fire at nightand see less