The maps below show the changes in area after the construction of a hydroelectric power dam. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The maps illustrate the alterations in landscape after the building of a hydroelectric power dam. Overall, the middle part of the river turned into a lake. After the construction of the dam there was a significant change in the area. In 1980, the river passed from the south to the north. On the southern side, […]