File: River Brent Wharncliff Viaduct. Duration: 1:00. Date: 6 August 2011. Time: 4.40pm Where: Facing the Wharncliff Viaduct in Churchfields recreation ground, Hanwell. Description: Trickling of the Brent, a dog splashes in the river, a train passes along the Wharncliff Viaduct, faint voices.