Engineers with the armed forces of Liberia install a drainage culvert at a new Ebola treatment unit being built in support of Operation United Assistance in Gbediah, Liberia, Dec. 19, 2014. Engineers with the armed forces of Liberia install a drainage culvert at a new Ebola treatment unit being built in support of Operation United Assistance in Gbediah, Liberia, Dec. 19, 2014. SHARE IMAGE: Download Image: Full Size (2.19 MB) Tags: Photo Essays Photo By: VIRIN: 734864-S-PKS48-257.jpg Photo Gallery