retaining wall made of coarse basalt stones connected by cement. tunnel under the pedestrian road. the underpass is a historical r

architecture art background basalt bed bridge castle cave cement coarse connected danger dangerous deco draco dracula echinacea element fence flower footbridge garden granite gray green grotto historical house landscape made morning natural nature old ornamental outdoor park pass paving pedestrian pictorial place quarry railing rape renew renovation retaining road rock rockery romantic romanticizing rough steel stone stones street sunlight tunnel under underpass viaduct wall