At the Joint International Conference of the DFI-EFFC International Conference on Piling and Deep Foundations, organized in Rome at the Università degli Studi di Roma 'La Sapienza' , there has been talk of deep foundations and ground improvement. CIPA S.p.A. has actively participated, through a brilliant speech by the Engineer Marco Aurelio Piangatelli who talked about the conventional excavation under freezing conditions in C13 Station - Metro Warsaw Line 2 and also through several posters about interesting and appreciated themes.