A coral reef is made of thin layers of calcium carbonate A coral reef is made of thin layers of calcium carbonate National Ocean Service National Oceanic and Atmospheric Administration U.S. Department of Commerce
Arches is located in northeastern Utah, near the city of Moab. The park is famous for over 2,000 natural stone arches and offers much to the outdoor traveler. There is a 40-mile paved loop tour of the park with numerous trailheads and outlooks.
[ËarÉ¡ dÉ tÉ¾iËomf]) is an arch in the manner of a memorial or triumphal arch in Barcelona (Catalonia, Spain). It was built as the main access gate for the 1888 Barcelona World Fair by architect Josep Vilaseca i Casanovas. The arch is built in reddish brickwork in the Neo-Mudejar mudÃ©jar. style