Nets One side of the Hampstead Heath Extension is used for cricket by local schools and during the summer months the nets are available for practice.  A couple of water bottles have been left behind.
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/4942">Martin Addison</a>
CC BY-SA 2.0
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/493814">geograph.org.uk</a>