roman archaeological remains of well-preserved rooms, cellars and a staircase of the mitreo house in mérida, spain

abandoned alcove alley ancient civilisation house roman rome antiquities arcade archaeological dig archaeology archeology site architectural feature brick wall built structure catacomb cave corridor crumbling crypt culture demolished doorway early christian emerita eroded excavation extremadura granite rock heritage historical history hole inside passage medieval merida mitre monument old ruin romanesque style stone underground unesco world remains well-preserved rooms cellars staircase mitreo mã©rida spain mérida spain