2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14829Four large/medium size photometric surveys are being conducted by Warsaw astronomers: Warsaw-LCO survey of globular clusters, OGLE, DIRECT and ASAS. In this contribution we provide short description of these projects and discuses briefly some results obtained for pulsating variables.6 pages, LaTex, 2 encapsulated Postscript figures. To be published in IAU Coll 176 "The Impact of Large Scale Surveys on Pulsating Stars research", eds. L. Szabados & D. Kurtz (ASP Conf. Ser.); corrected erroneous WWW addressAstrophysicstext