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Salix babylonica (Babylon willow or weeping willow), is a species of willow native to areas of northern China, but cultivated for millennia elsewhere in Asia, being traded along the Silk Road to southwest Asia and Europe.
Wikipedia: Link

A Narrowboat is a long thin boat, designed to fit the canals of England and Wales. They were 7 feet (2.1 metres) wide, and up to 70 feet (21 metres) in length, the maximum that will fit in a standard lock.

In the 18th century before the age of steam railways and the internal combustion engines, the canals were one of the key systems of transporting goods around the country. The boats were towed by a shire horse walking along the tow-path. Of course boats today are powered by diesel engines.

Most narrowboats today are used for holidays & leisure cruising, and some are used as homes.

Read more at wikipedia Link

The Grand Union is a 137 mile (220km), 166 lock, 2 tunnel canal running between Brentford in London and Birmingham. It is the longest canal in Britain, and has 11 main arms and junctions. It takes over a week to navigate.

The Leicester arm branches off at Norton Junction and runs 66 miles long through 59 locks (including 2 staircase locks at Foxton) and 2 tunnels to Leicester where it continues into the River Soar.

Read more at Wikipedia Link