Surprise, surprise...

Today I received two pictures and an inquiry by my friend Béatrice Bueche, the owner of the Butterfly garden that I have mentioned before (see pictures on my German blog), who came to the opening of my exhibition in Freiburg. 
She had only now downloaded her pictures of the opening from her phone and was surprised to see this:

Taken without a flash...

and

... taken with a flash.

Béatrice wanted to know what had happened. This is what it is:
The second picture shows wonderfully how I have used reflecting fabric in Shapes 10. Which is not noticeable in daylight, of course, and doesn't really show on photographs, either. Unless you use a flash.