Sinkholes happen when underground water or other moisture erodes away the soil or the lining of an underground pipe.
Check out this story on 9news.com: http://www.9news.com/story/traffic/2014/06/09/sinkhole-science/10248555/
At the CU Denver College of Engineering, Design and Computing, we focus on providing our students with a comprehensive engineering education at the undergraduate, graduate and professional level. Faculty conduct research that spans our five disciplines of civil, electrical and mechanical engineering, bioengineering, and computer science and engineering. The college collaborates with industry from around the state; our laboratories and research opportunities give students the hands-on experience they need to excel in the professional world.