"Where is the physical law?"

http://uwepetercom.blogspot.com/2010/04/where-is-physical-law-landscape-arch.html
Landscape Arch | Arches National Park | Utah | USA | 2010-04-23
Arches National Park is a U.S. National Park in eastern Utah. It is known for preserving over 2000 natural sandstone arches, including the world-famous Delicate Arch, in addition to a variety of unique geological resources and formations. Forty-three arches have collapsed due to erosion since 1970.