2 pages about Erta Ale which is located in Ethiopia, the largest permanent lava lake on earth(Erupting lava lake ) you can watch this link to know about Erta ale.
https://www.youtube.com/watch?v=meex6Y4xdos
-What makes Ethiopia Erta ale volcano so interesting?
-How is it related from the biggest volcanoes in the world?
-How LAVA lake form?
-How do hot spots form? 
-What makes you interested about erta ale.