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A dispatcher distributes fresh air into the underground quarry, through the pipes.
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A very steep slope that leads to the exploitation level of the underground quarry. Here the picture is taken at mid-height of the slope.
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Most of the inhabitants of Lyon know that subsoil of the Croix Rousse and Fourvière is traversed by numerous galleries. Before the various prohibitions (and even after) to walk the subsoil of Lyon in the late 1980s, students were fond of underground walks. Moreover, there were few entries directly into schoolyards (now closed).
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Quarry of Triel sur Seine
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The machine of Marly.
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keywords : LYON UNDERGROUND GALLERY TECHNICAL FANTASQUES STAIRS PIPE BONE FISH
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keywords : NATO CORRIDOR PIPES DOOR ARMOURED DETECTION MAGINOT SALBERT MILITARY HILL CENTER AERIAL
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A huge ventilation pipe in the bunker under the NATO Fort Salbert Mt.
AQUATIC ARCH AXA BATTERY BIG BILLANCOURT BLOCK BOUGIVAL BOULOGNE BRIDGE BRITANNY BUILDING BUNKER BUTTRESS CASTLE CATACOMBS CATHEDRAL CB31 CENTER CHALK CHARTRES CHURCH CIMENTERIE CLINIC CONFLANS CORRIDOR COUTANCES CRANE CRUDE DEFENSE DENFERT DOME DOOR DRAWING ESSERENT ETIENNE FACTORY FACULTY FLYER FLYING FORT FRANCE FRONT GALLERY GLASSROOF GRS GYPSUM HERBLAY HONORINE HOUSE INDUSTRIAL ISLAND JAGUAR LADER LADY LEU LIMESTONE LYON MAGINOT MAHON MAP MARLY MEDICAL MEDIEVAL MERY MEUDON MILITARY MINE MINISTRY MONTALETS MONTESSON MONTROUGE MONUMENT MUSEUM MUSHROOM OCHRE OFFICIAL OISE OPERA ORANGIS ORSAY OSSUARY OUR PALACE PALAISEAU PANORAMICAL PAPERMAKING PARIS PAUL PENITENTIARY PILLAR POINT POND PONTOISE PORT PROVENCE QUARRY RAIL RAILING RENAULT RIS ROCHEREAU ROOFTOPS ROOM ROUDOUDOU SAINT SCHOOL SEGUIN SEINE SITE SOUTH STAIRS STATION STATUE STORE SWIMMING TECHNICAL THEATER TOWER TRIEL TROCADERO TUNNEL ULIS UNDERGROUND UNIVERSITY VARIOUS VAUX WAGON WALL WASTELAND WATER WELL