The River Medlock flows through Manchester City centre taking a meandering route through open air and the Spartacus and Budge culverts.

A rag laden grill conceals a large outfall flap on the bank of the Irwell just upstream from Manchester City Centre

Worsley has a rich industrial heritage in which it's brook played an important role. The Worsley Brook flows from Old Warke Dam and goes underground for around 350m.

The River Medlock flows from Strinesdale Reservoir into a stone cascade, it drops down into a series of three culverts.

The Moston Brook is formed by the confluence of the Hole Bottom Brook and Bower Brook, both were culverted sometime after 1910.

The Chandelier Hall in Cologne is a large brick sewer overflow to the Rhein built in 1890.

A simple modern sewer overflow chamber spilling to the River Irwell in Radcliffe.