Bristol grew up on the banks of the Rivers Avon and Frome. Since the 13th century, the rivers have been modified for use as docks including the diversion of the River Frome in the 1240s into an artificial deep channel known as "Saint Augustine's Reach", which flowed into the River Avon.[1][2] Saint Augustine's Reach became the heart of Bristol's docks with its quays and wharfs.[2] The River Avon within the gorge, and the River Severn into which it flows, has tides which fluctuate about 30 feet (9 metres) between high and low water. This means that the river is easily navigable at high-tide but reduced to a muddy channel at low tide in which ships would often run aground. Ships had no option but to be stranded in the harbour for unloading, giving rise to the phrase "shipshape and Bristol fashion" to describe how ships and their secured cargo were capable of taking the strain of repeated strandings on the mud.

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Make:	OLYMPUS IMAGING CORP.
Model:	E-PL7
Exposure:	40
Aperture:	f/16.0
ISO Speed:	200
Focal Length:	24 mm
Lens:	LUMIX G VARIO 14-140/F3.5-5.6