Today I've been "experimenting" with
low-angle shots:
What I like about that building (
Torre Espacio) is its "mathematical facade". American architect Henry N. Cobb designed it according to an ecuation. I'm afraid I won't be able to explain this properly (as a famous song says, ♪ "
don't know much trigonometry" ♫; I've always been a disaster at Maths

), but it's like this:
y = cos (x)
OK,
X is the base's length.
Y is the heigth, which is the
cosine of X. You know what I mean?
By the way, I had never heard about embassies in skyscrapers, but... yes, there are several embassies into the building. Some MB-members' countries represented there, I think: