Plaintiff's submissions, which include an expert's affidavit that the ice-encrusted ridge of old snow, on which plaintiff slid and which was concealed by new snowfall, could not have formed naturally but was created by appellants' negligent shovelling after a prior storm, raise an issue of fact as to whether appellants made the sidewalk more dangerous than it otherwise would have been, precluding summary judgment in their favor ( compare, Camacho v. Ezras Yisrael, Inc., 221 A.D.2d 275, with Keane v. City of New York, 208 A.D.2d 457).
Concur — Rosenberger, J.P., Wallach, Rubin, Kupferman and Mazzarelli, JJ.