cenote dzitnup samula cave groundwater near valladolid city, yucatan, mexico.

attraction blue calcified cave cenote cenotes city cold deep destination dzitnup famous geologic green groundwater images lake landmark limestone marvel mayan mexican mexico named natural nature near photo picture pond pool recreation relax rock roots samula scenic sightseeing silence sinkhole stalactite stone taken there this tour tourism tourist travel tropical underground valladolid viewpoint visit water xquequen yucatan