Democratic U.S. presidential nominee Joe Biden campaigns in Duluth, Minnesota
Democratic U.S. presidential nominee and former Vice President Joe Biden talks with a union welder and carpenter about an augmented reality welder, simulated welding training seen in 3D through a technology equipped welding hood, as he tours the Jerry Alander Carpenter Training Center in Hermantown, a suburb of Duluth, Minnesota, U.S., September 18, 2020. REUTERS/Jonathan Ernst