Watch Lost Horizon (1973) (1973) HD Full Movie Free on solarmovie.do. Watch Lost Horizon (1973) (1973) online free. While escaping war-torn China, a group of Europeans crash in the Himalayas, where they are rescued a...While escaping war-torn China, a group of Europeans crash in the Himalayas, where they are rescued and taken to the mysterious Valley of the Blue Moon, Shangri-La.