51�Թ�

Visitors can see the new installation as part of a general admission ticket to the Tower of London, although a small part will be visible from the public footpath.

The pond is accessible via a public footpath and there "was no breach or attempted breach of the secure perimeter of the site", a spokesperson said.

Mr Evans said it was not "in the middle of nowhere" but was along an unmade track on "quite a busy" public footpath through the wood.

The court was told the public footpath was marked by "yellow posts", or waymarkers, which followed the boundary of the field, off Riverside Way.

Rhian Williams, whose video about its location went viral, said she made it clear there was a public footpath.