Mountaineers walking trails through the National Park El Teide denounce the continued presence of piles of rocks. Clusters of stones that can alter the flora and fauna of the Tenerife. They are the closest to the road and the tendency of those who see roads, it is to imitate stones and place similarly.
These stone mountains often have a religious or mystical significance, but also offer information. The problem comes when it becomes a habit and there are many hundreds, those who perform these towers. By moving the stones, microscale erosion in the winter periods become wear processes are generated.
Fortunately, most tourists visiting the Teide National Park know what to do, and it is just that: do nothing. You have to leave everything as is.