SON DOONG, VIETNAM: EYE-OPENING images showing tourists venturing and camping inside the world’s largest cave have emerged. The awesome pictures show people pitching tents to camp the night inside the two-and-a-half mile long Hang Son Doong, central Vietnam and looking like matchstick characters as they enter the cave’s mouth - where inside it is 800-foot tall. Other images show a river flowing into the cave and tourists trekking alongside the stream. The stunning photographs were taken by retired civil engineer Douglas Knuth (65) from Woodstock, Illinois, USA at Son Doong, Vietnam. To take h


SON DOONG, VIETNAM: EYE-OPENING images showing tourists venturing and camping inside the world’s largest cave have emerged. The awesome pictures show people pitching tents to camp the night inside the two-and-a-half mile long Hang Son Doong, central Vietnam and looking like matchstick characters as they enter the cave’s mouth - where inside it is 800-foot tall. Other images show a river flowing into the cave and tourists trekking alongside the stream. The stunning photographs were taken by retired civil engineer Douglas Knuth (65) from Woodstock, Illinois, USA at Son Doong, Vietnam. To take his images, Douglas used a Canon SX50 camera. Douglas Knuth /


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Keywords: cave, doong, hang, largest, limestone, son, stream, travel, vietnam, worlds