SAN FRANCISCO, CALIFORNIA, USA - 25 NOV 2019: Many seals on pier 39, tourist landmark. People near sea lion rookery in natural habitat . Colony of wild marine mammals at harbor dock, herd at wharf

SAN FRANCISCO, CALIFORNIA, USA - 25 NOV 2019: Many seals on pier 39, tourist landmark. People near sea lion rookery in natural habitat . Colony of wild marine mammals at harbor dock, herd at wharf.