The conservation of subterranean cultural heritage : is it a technical problem or a political problem? / C. Saiz-Jimenez -- The rock-cut tomb-chapels of Hery and Djehuty on the West Bank of Luxor : history, environment and conservation / J.M. Galan -- Excavations and conservation problems in the Roman Necropolis along Via Triumphalis in the Vatican / G. Spinola -- Problems of colour preservation in the Etruscan necropolises of Tuscany (Italy) : the painted tombs of Chiusi (Siena) and Sovana, Sorano (Grosseto) / M.A. Turchetti, M. Salvini, G. Giachi, P. Pallecchi and P. Tiano -- A study for monitoring and conservation in the Roman Catacombs of St. Callistus and Domitilla, Rome (Italy) / L. Bruno, S. Belleza, C. Urzi and F. De Leo -- The conservation of the Carmona Necropolis (Sevilla, Spain) / A. Fernandez-Cortes, J. Elez, S. Cuezva, J.C. Canaveras, D. Benavente, M.A. Rogerio, C. Saiz-Jimenez and S. Sanchez-Moral -- Methodological approach to monitor Roman Catacombs : experience in the Catacombs of St. Mark, Marcellian and Damasus, Rome, Italy / D. Tapete, F. Fratini, B. Mazzei, E. Cantisani, C. Riminesi, R. Manganelli Del Fa, B. Sacchi, O.A. Cuzman, L. Scaletti, M.G. Patrizi and P. Tiano -- Identification of lime-based mural painting techniques in catacombs using well-established criteria of stratigraphic investigation / D. Tapete, R. Piovesan, E. Cantisani, F. Fratini, C. Mazzoli and L. Maritan -- New species description, biomineralization processes and biocleaning applications of Roman catacombs-living bacteria / C. Urzi, F. De Leo, L. Bruno, D. Pangallo and L. Krakova -- The mural execution technique of the dei Fornai cubicle revealed by laser cleaning / R. Senserrich-Espunes, B. Mazzei, M.G. Patrizi, S. Bracci, M. Realini, B. Sacchi and G. Bartolozzi -- Indoors diversity in phototrophic biofilms at St. Paul's Catacombs (Malta) / A. Gomez-Bolea, I. Alvaro, E. Llop, S. Sammut and M. Hernandez-Marine -- Detection of urban subsurface pollution by rapid multiparametric surveys in the 16th century Paranhos spring water tunnel (Porto, Portugal) / A. Fernandez-Cortes, E. Sanz-Rubio, A. Sanchez-Malo, S. Cuezva, E. Garcia-Anton, S. Sanchez-Moral, M.J. Afonso, H.I. Chamine and B. Hermosin --

Is the presence of bacterial communities related to the urban contamination sources of the 16th century Paranhos spring water tunnel? / A.M. Garcia-Sanchez, A.Z. Miller, V. Jurado, A. Dionisio, V.S.F. Muralha, M.J. Afonso and H.I. Chamine -- Microbe-mineral interactions at a Portuguese geo-archaeological site / A.Z. Miller, A. Dionisio, M.E. Lopes, M.J. Afonso and H.I. Chamine -- La vie en rose : a review of the rosy discoloration of subsurface monuments / G. Pinar, J. Ettenauer and K. Sterflinger -- NanoGraphene oxide : a new material for a non-invasive and non-destructive strategy to remove biofilms from rock surfaces / L. Bruno, L. Quici, I. Ficorella and F. Valentini -- Round table on conservation of necropolises, catacombs and tombs / J.M. Galan, G. Spinola, M.A. Turchetti, L. Bruno and A. Fernandez-Cortes -- Microclimatic monitoring in Altamira Cave : two decades of scientific projects for its conservation / S. Sanchez-Moral, S. Cuezva, E. Garcia-Anton, A. Fernandez-Cortes, J. Elez, D. Benavente, J.C. Canaveras, V. Jurado, M.A. Rogerio-Candelera and C. Saiz-Jimenez -- Altamira and its future / J.A. Lasheras, C. de las Heras and A. Prada -- The conservation of Lascaux Cave, France / J.-M. Geneste and M. Mauriac -- The conservation of Chauvet Cave, France. The conservation, research organization and the diffusion of knowledge of a cave inaccessible to the public / J.-M. Geneste and M. Bardisa -- The conservation of prehistoric caves in Cantabria, Spain / R. Ontanon, V. Bayarri, J. Herrera and R. Gutierrez -- The conservation of the Nerja Cave : preserving anthropogenic impact in a tourist cave / Y. del Rosal, C. Linan and M. Hernandez-Marine -- Cueva del Tesoro, Rincon de la Victoria, Malaga : a treasure of biodiversity / V. Jurado, A. Novakova, M. Hernandez-Marine and C. Saiz-Jimenez -- Contribution of culture-independent methods to cave aerobiology : the case of Lascaux Cave / P.M. Martin-Sanchez and C. Saiz-Jimenez -- Are fungi a real threat for the conservation of Altamira Cave? / A. Novakova, V. Jurado and C. Saiz-Jimenez -- Pathogenic microorganisms related to human visits in Altamira Cave, Spain / V. Jurado, L. Laiz, S. Sanchez-Moral and C. Saiz-Jimenez -- Microscopic fungi isolated from cave air and sediments in the Nerja Cave : preliminary results / A. Novakova, V. Hubka and C. Saiz-Jimenez -- Human impact on show caves : chewing gum stuck to the walls / I. Dominguez-Monino, V. Jurado, M.A. Rogerio-Candelera and B. Hermosin -- Lampenflora as an accompaniment of mass cave tourism, problems and solutions for Postojnska jama, Slovenia / J. Mulec -- Microorganisms and the natural heritage of Dinaric karst : a review / L. Pasic and J. Mulaomerovic -- Needle-fiber calcite in Kapova Cave (the Southern Urals, Russia) : influence on upper Paleolithic wall paintings and genesis problems / O.Ya. Chervyatsova, Y.V. Dublyansky, S.S. Potapov, A.S. Pakhunov, L.V. Leonova, S.P. Glavatskikh and V.S. Zhitenev -- Raman microscopy and IR imaging of the Palaeolithic paintings from Kapova Cave, Southern Ural, Russia / A.S. Pakhunov, N.N. Brandt and A.Y. Chikishev -- Applications of Raman and infrared spectroscopies to the research and conservation of subterranean cultural heritage / C. Capel Ferron, S.E. Jorge Villar, F.J. Medianero Soto, J.T. Lopez Navarrete and V. Hernandez -- Round table on conservation of caves / J.C. Canaveras, S. Sanchez-Moral, J.A. Lasheras, J.-M. Geneste, R. Ontanon, Y. del Rosal and M. Hernandez-Marine.