Secret Three-story Hospital Concealed Inside a Mountain on Cat Ba

Hang Quan Y is a field hospital constructed with reinforced concrete, spanning thousands of square meters, providing medical treatment for troops and guerrillas in Bach Long Vy and Cat Ba districts (Hai Phong) injured during the resistance war.

Secret Three-story Hospital Concealed Inside a Mountain on Cat Ba

According to Giang Chinh/Vnexpress

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Reference: Travel guide on Mytour