[荷蘭馬斯垂克]近市區景點//馬斯垂克地下(聖彼得)洞窟:北洞與金庫導覽Maastricht North Caves Vault
本篇介紹鄰近馬斯垂克市區的聖彼得洞窟,洞窟的地點、交通及導覽資訊,以及當日參觀北洞金庫的導覽內容及心得。 This article introduces the St. Pietersberg Caves near the city center of Maastricht, covering the cave's location, transportation, and guided tour information, as well as the content and thoughts from the day's guided tour of the North Caves Vault (De Kluis).