When you find a large metal ring hidden in the woods attached to something buried in the ground, do you pull on it?

This is near the site of the now-gone Tait Tower from the 1938 Empire Exhibition im Bellahouston Park in Glasgow. No idea of it is connected to it (I presume not).

#glasgow #bellahoustonpark #taittowers #intothewoods #mystery #mysteryinthewoods #horrormovie