Lökbatan Mud Volcano is huge. It has camel-like shape. It is massive. It is a monument. It changes how you perceive monument and monumentality. There you also eyewitness connection of mud volcanoes with oil and has operations.
It is the most active among volcano in Absheron and presumably one of the most in the world, too. It erupted 23 times in two centuries. YouTube has footage of flaring during one these eruptions. The Last one was in 2014 (the same year Keyreki did erupt).