Necrópole de Carenque
ALSO KNOWN AS: Artificial Caves (Grutas Artificiais) of Tojal de Vila Chã Stand on the hilltop and listen. You can hear the hum of traffic on the nearby motorway. Heavy vehicles from the waterworks next door rumble softly. Aeroplanes gently roar overhead. Otherwise, within the fence, all is quiet. Wind blows the grass, and whistles …