A massive sinkhole opened up inside a stadium at Austin Peay State University in Clarksville, Tennessee, following construction work.<br /><br />According to USA Today, the sinkhole, discovered by construction workers weeks ago, was initially only 5 feet wide. <br /><br />Once workers dug it out in search of stable rock, the hole turned out to be 30 to 50 feet wide and 40 feet deep.<br /><br />There are many limestone caves in Montgomery County, and Austin Peay State University is specifically famous for sinkholes, Mike Jenkins, superintendent for Nashville-based Bell & Associates Construction was quoted by Leaf Chronicles as saying. <br /><br />According to the Tennessean, there are several smaller sinkholes in the parking lot as well that crews will have to fix when they get to that part of the project.<br /><br />Workers have started working on the sinkhole on Monday and expect to have the hole filled by the end of the week.<br /><br />The work shouldn't affect the construction of the new stadium building, the Tennessean reported. <br /><br />This animation also explains the causes of sinkholes formation.
