ROVs Hover Near 90-Foot Spires (IMAGE) University of Washington Caption The carbonate structures at the Lost City Field include these spires stretching 90 feet tall. The white, sinuous spine is freshly deposited carbonate material. Added digitally to this image are the remotely operated vehicles Hercules and Argus that were used to explore the hydrothermal vent field during an expedition in 2005 funded by the National Oceanic and Atmospheric Administration. Credit Kelley, U of Washington, IFE, URI-IAO, NOAA Usage Restrictions Image credit required License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.