stone river in the sierra de tremedal (teruel).

tree wilderness woodland forest trail nature rock autumn plant soil leaf geology stream wood trunk wildlife landscape branch stone river sierra tremedal teruel blocks are formed action ice orihuela del tremedal sierra teruel aragón zaragoza spain nature natural curious curiosity stone block granite ice river rock stream bed flow cliff marble quarry basalt quartz peat bog mine boulder limestone fossil gravel cobblestone hail scree sand petrify petrified stonework masonry ashlar stony tombstone forest tree park mountain shade