There are many places in this world which act as a source of making money for their home countries. All the sites in thee world which get a lot of people as visitors form all parts of the world are a constant source of income and making money for the home towns. Few parts of the earth are rich in such places while others are not so established when it comes to tourism. This is something really interesting. If a country gets more and more visitors, its tourism will be well developed. The most developed nations of the world all have a very well developed Tourism industry. Africa is a continent which has many such places which are either exceptionally beautiful naturally, or they have a significant historical background. There are many places in Africa which people come to visit. One of these places is the mosque of Djenne.