I continue alone, following the beam of my headlamp along year-old footprints. A jungle inside a cave? A roof collapse long ago in Hang Son Doong let in light; plants thickly followed. As ...

An estimated 240,000 people were killed or went missing in the Battle of Okinawa during World War II. Eighty years later, the ...

Entering the jungle, Cerè switched his phone off ... hip-high waters before traversing through and camping in soaring caves. At the end of Hang Son Doong stood the Great Wall of Vietnam, a ...

(AP Photo/Hiro Komae) ITOMAN, Okinawa (AP) -- Takamatsu Gushiken turns on a headtorch and enters a cave buried in Okinawa's jungle. He gently runs his fingers through the gravel until two pieces ...