stone that arches over a valley formed by erosion in Karst topography. they are believed to be the left-overs of a cave roof where the rest of the roof on both sides collapsed.
Natural Bridges State Beach was created in 1933.
Natural Bridges National Monument was created in 1908.
Most bridges are manmade, built in the location where they are required. Some natural bridges of rock or timber exist in wilderness areas.
plate tectonics
weathering
Well, there is one for sure wind
Although most people book a vacation to Aruba with the main intent of spending time on the silky white sand beaches, there are many sights to enjoy inland as well. The Natural Stone Bridges are a popular Aruba tourist destination. There are a total of 7 Natural Bridges on the island, but the original -- the largest and most famous -- collapsed in 2005, leaving just a pile of rubble in the bay. However, the remaining bridges are still well worth a visit.
Because geography is a subject that deals with the natural and human phenomena and changes over time and also bridges the natural and social science
use stronger materials when building overpasses and bridges
use stronger materials when building overpasses and bridges
Bridges narrow or confine stream/river channels not allowing lateral movement which is natural for flowing water bodies. This allows the river to incut degrading stream banks and deepening channels to unnatural levels. This changes the natural orders of streams making the former habitat which matched those of the native fish population change. It is the processes of building and maintaining the bridges that cause the environmental problems not the bridges themselves along with car emissions
use stronger materials when building overpasses and bridges