Instead of lava, ash, and sulfur dioxide, these volcanoes spew mud and methane.
这里的火山喷涌出的不是岩浆、火山灰和二氧化硫，而是泥浆和甲烷。
2
The lake, named after the swarms of gnats that breed around it, is surrounded by wetlands and volcanic landforms, including lava fields, lava pillars, volcanic cones, and boiling mud flats.