舊金山【美國-舊金山】舊金山自由行 Day 3 (Alcatraz Federal Penitentiary ➜ PIER 39 ➜ Crab House at Pier 39 ➜ Grace Cathedral ➜ Super Duper Burgers (Downtown) )終於開始適應當地時間溫度跟生活了,今天…