If you download the fullsize copy of the photo and view it at full-size, you can see a lot of interesting things on that wall. 

The big white framed paper in the middle is a note from Salvador Allende on his visit in 1961.
If you download the fullsize copy of the photo and view it at full-size, you can see a lot of interesting things on that wall. The big white framed paper in the middle is a note from Salvador Allende on his visit in 1961.