A mountain held onto its secret for more than three decades. Then recently, it let go. The remains of two Belgian mountaineers who disappeared in the Swiss Alps back in 1992 have finally been identified, bringing a decades-long mystery to a close. Police in Switzerland's Valais canton confirmed on Wednesday that DNA testing had matched the remains, recovered from the melting Trift Glacier, to the two men who vanished during a climbing trip 34 years ago.