Current condition
Ruin
Can't view the other side of it, the back is facing the sidewalk opposite #15A, does it have anything to do with the railway or the ex-RAF property nearby?
15 何文田山道
https://maps.app.goo.gl/dPbKyBiXSGZ9Kizv6
It reminds me of the road sign plaque at Sha Lo Tung, Tai Po.