File: Ravensbourne Catford. Duration: 1:00. Date: 15 October 2009. Time: 4pm Where: Under the railway bridge in Westdown Street, near Catford station, south-east London. Description: Sound of the Ravensbourne river rushing beneath an iron cover set in the road surface. Footsteps nearby, and aeroplane drone in the background. A high-speed southbound train approaches towards the end.