WALLA WALLA, Wash. –Volunteers with the Walla Walla District, U.S. Army Corps of Engineers, partnered with DeSales Catholic High School, to hold a competition on Feb. 23, 2016 in celebration of National Engineers week (Feb.22-26). Students had 20 minutes to construct a paper tower, as part of their curriculum, as well as encouraging an interest in engineering. Teams received points based on the height of their tower and the amount of weight it could hold without collapsing.