Submission 6604 by Michael Tidwell | May 31, 2026 Participate Submissions Participate Submissions Casa Rio Prism Location:San Antonio River Walk - Bexar CountyDescription:This unique photograph is a 20 second exposure of light trails of a Go Rio boat as it exited the arched bridge at the iconic Casa Rio Restaurant . The prism effect is the result of the lights not changing colors.Photographer:Michael Tidwell 2 Votes 42 Views 26 Days Since posted Submitting Vote SearchSearchRecent PostsHello world! Recent CommentsNo comments to show.