There are two types of volcanoes: effusive and explosive volcanoes .

On Reunion there are two volcanoes : the Piton of Fournaise and Piton of Neiges .

The Piton of Fournaise is an effusive  volcano with  liquid flow of lava and also  lava foufains .

The Piton of Neiges is an explosive volcano , it used to reject a cloud of ashes from a very vigourous lava .