The walls of the raw tunnel in the eastern tunnel of the "Amsteg" section of the Gotthard Base Tunnel are plastered with film to protect against ingress of water, pictured on May 29, 2009 near Amsteg in the canton of Uri, Switzerland. The railway tunnel through the Gotthard mountain constitutes the center piece of the New Railway Link through the Alps NRLA. (KEYSTONE/Gaetan Bally),Image: 675720626, License: Rights-managed, Restrictions: , Model Release: no