Over the past century, travel and tourism have become increasingly popular activities, and the number of tourists has increased exponentially each year. Many people believe that excessive numbers of tourists will not only detract from the experience of visiting old sites, but will also damage the sites themselves. I agree that tourism numbers have become a problem throughout the world and that governments should take steps to limit the number of tourists, or to provide suitable alternatives to the present situation of overcrowding. To begin, there are two problems which arise from large numbers of tourists visiting famous sites. Firstly, the quality of the experience of visiting a famous relic is negatively affected by crowds. For example, the Mona Lisa is a famous painting in the Louvre, in Paris. When I visited the museum and went to view the Mona Lisa, I could barely see the painting because the room was so crowded. For this reason, I did not enjoy the experience. Se...