trovants the growing stones of romania

about absorb after already and bizzare carbonate carpathian cement cementation cemented center chemicals combined costesti creates deposition detritic detritus egg every geologic geology grow heavy highland hoodoos horezu impressive inside landscape later makes margins mineral minerals monument multiply museum natural nature porosity present pressure rain rate reaction reserve rock romania sand sendiment shape shower size spontaneously spring stone strange structural time trovant trovanti trovants unesco unique various years