Complex sentence: Geothermal energy also provides tourist attractions such as the Blue Lagoon.the geothermal water originates 2,000 metres below the surface, where freshwater and seawater combine at extreme temperatures.
Split into simpler sentences: Geothermal energy also provides tourist attractions such as the Blue Lagoon. The geothermal water originates 2,000 metres below the surface, where freshwater and seawater combine at extreme temperatures.