I am in love with this photo. I think that this was such a creative idea the way they made the illusion that there were millions of birds in the jar who are finally free. I think it was such a neat idea
RAF Hawker Hurricane Mk IID or IV probably belonging to Specialised Low Attack Instructors School, Milfields, Northumberland. It's armed with Vickers anti-tank guns, this particular airplane being equipped with the standard carburetor air intake.