Members of the University of Missouri–St. Louis Environmental Adventure Organization sit near the Capitol Dome formation during a caving trip to Illinois Caverns before the end of the spring semester. The student organization sponsors hiking trips, invasive species removal, ice skating, clothing swaps, bonfires, native gardening, tree planting and other outdoor activities.

This photograph was taken by UMSL photographer Derik Holtmann and is the latest to be featured in Eye on UMSL. View more UMSL photos by visiting the UMSL Flickr and Instagram accounts.