This is an entry to http://ceenphotography.com/2016/03/23/cees-compose-yourself-photo-challenge-19-geometry-in-photography/ .

Cee is right: after a while you see geometric figures almost everywhere.  To start off, here are some obvious choices, all from the same church in Mönchengladbach, Germany:

The geometric forms are obvious and don’t need further explanations.

From man-made, manageable shapes to the grandiosity of nature.  Many mountains are pyramid-shaped which is rendered as a triangle in two-dimensional space:

And from the same corner of the earth, the Berner Oberland in Switzerland, the unmistakable triangle of the Eiger, overwhelming, breathtaking, and just plain HUGE:

I seem to have a propensity to triangles as the following photos show quite clearly (all taken at the Rugby World Championship last autumn, in Newcastle, South Africa playing Scotland).  Whether it’s a group of players:

or individuals:

I found one without a triangle, though:

And just to end up with something completely different: