London, Italy
The Open Air Theatre, Barra Hall Park in Hayes, west London, England, is a purpose-built outdoor theatre with concrete-step seating for up to 180 people. Originally built in 1951, the structure fell into disrepair and was rebuilt in steel in 2005.
Listen to the audio guide for Open Air Theatre, Barra Hall Park Free on WIP — starts by itself when you arrive, even with the screen off