The National Park Service has implemented a fleet of tour buses to handle the massive flow of people through Zion Canyon. The system works very well, there are many clean, electric, buses running up and down all day long, stopping at all the key sights and trail heads. Angel’s Landing is one of the key attractions in the valley. Just the trail itself is a wonder of engineering. Rising more than 1,500 feet from the valley floor to a sheer precipice in a scant few miles along a finger of rock the trail affords unsurpassed views…