During the months of August and September, contractors are replacing the underground steamlines between Fayerweather and Foss 10. This process requires significant excavation, and unfortunately, two trees stood in the path of destruction. "These are perfectly healthy trees," said Dave Hall, ground and events manager. "We couldn't just let them die." On Aug. 6, Hall hired a tree specialist to remove the two trees from Foss Hill and relocate them to the Center for the Arts courtyard. The contractor used a mechanical tree spade to pierce the earth and extract the trees and their root-balls, which measure about 6-feet-wide and…