![Fossil fumaroles resemble tree stumps and are sometimes referred to as "Fairy Footstools." These curiously shaped rocks can be seen near Tala, Jalisco.](/photos/10265-7-fairy-footstools-p-fossil-fumaroles-resemble-tree-stumps-and-are-sometimes-re-large.jpg?1317419151 "Fossil fumaroles resemble tree stumps and are sometimes referred to as "Fairy Footstools." These curiously shaped rocks can be seen")
Fossil fumaroles resemble tree stumps and are sometimes referred to as "Fairy Footstools." These curiously shaped rocks can be seen near Tala, Jalisco.
© John Pint, 2011
Source article: Tala, Jalisco: A thousand-year-old Mexican city inside a geological wonderland