Enlisted personnel are identified by way of their various 'E' grades ranging from E-1 to E-9. For those service branches recognizing a Warrant Officer rank, 'W' grades range from W-1 to W-5. Likewise Officers are scaled from O-1 to O-10.
China has quite a collection of natural bridges, including one that experts say has the longest span of any natural bridge in the world. The Fairy Bridge (Xianren Qiao), in southwestern China's Guangxi Zhuang Autonomous Region near the border with Vietnam, has a 400-foot span.
The Kolob Canyon section, located in the northwestern part of the park, is home to Kolob Arch, which at 310 feet is the worldâs largest known natural span. The Anasazi people inhabited Zion from approximately 1,500 to 800 years ago, leaving behind abandoned cliff houses and rock art throughout the park.he Kolob Canyon section, located in the northwestern part of the park, is home to Kolob Arch, which at 310 feet is the worldâs largest known natural span. The Anasazi people inhabited Zion from approximately 1,500 to 800 years ago, leaving behind abandoned cliff houses and rock art throughout the park.