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San Cristobal Tunnel
Tunnel leading from Fort San Cristobal courtyard to the dungeon and into the city. San Juan, PR
PR-090804-0138
ARCHEOLOGYCastillo San CristobalFort San CristobalNorth AmericaOld San JuanPuerto RicoSan CristobalSan Juan National Historic Siteforthistorichistoric siteislandmilitary buildingtunnel