The document provides information about London, the capital city of the United Kingdom. It states that London has a population of approximately 7.5 million people and covers an area of 1,577 square kilometers along the River Thames. The River Thames is noted as London's longest river, flowing 346 kilometers through the city. The document asks four multiple choice questions about London's population, the name of the river, the average annual number of rainy days, and famous London symbols.