A lot of people in the world know Glasgow. It is the third largest city in Great Britain. It lies on the river Clyde in Scotland. Glasgow is a very old city. The University of Glasgow was founded in 1450. The famous English writer Daniel Defoe said that Glasgow was the cleanest and most beautiful city in Great Britain. James Watt studied at Glasgow University. He became a famous engineer and constructed a steam engine. Scotland is rich in coal and iron, so Glasgow grows into a large city. There are many big engineering plants and textile factories in the city.