Aerial drone video footage of a train bridge viaduct running over a valley in the Appalachain Mountains during early spring on a cloud day, surrounded by mountains and farmland

viaduct train viaduct train tracks aerial footage of a viaduct trestle bridge trestle train trestle steel bridge steel viaduct steel train bridge valley hudson valley appalachian mountains spring early spring drone footage drone aerial high angle view drone video railroad railway trains flying over train tracks drone train tracks drone video of train tracks drone footage of train tracks high trestle high train bridge high bridge tall trestle trestles america usa vast open upstate new york appalachia springtime nature nature background landscape landscape background farms farmland rolling hills mountain mountain background