9 - The mouth of Phong Nha Cave Northern Vietnam picture - The mouth of Phong Nha Cave photographed from outside. This mouth has been repeatly bombed during the war because US Intelligence discovered that the North Military used the dry platform inside as a field hospital. However, bombs failed to destroy this natural facility.
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The mouth of Phong Nha Cave photographed from outside. This mouth has been repeatly bombed during the war because US Intelligence discovered that the North Military used the dry platform inside as a field hospital. However, bombs failed to destroy this natural facility.