00:00This mountain once trembled while the sky spoke.
00:04Mount Sinai, where Moses received the Ten Commandments.
00:08The book of Exodus describes thunder, lightning, and a trumpet blast growing louder and louder until the entire mountain shook.
00:16At its foot stands a monastery that has never closed in 1400 years.
00:21Pilgrims still climb 3,700 steps through the night to reach the summit by dawn.
00:27Three religions honor this one peak.
00:30Few mountains on earth carry that much weight.
