When we saw this photo, we immediately thought of Legos — it looks like a bunch of bright yellow blocks and one of the window rectangles. We can almost imagine the little smiling yellow men lounging around inside, using one of those triangular computers or holding one of the cup pieces. Here’s the EXIF data.

Kid stuff aside, this bright building shot by esshots is part of the Solar Decathlon still happening on the Mall this week, through Saturday. Don’t miss your chance to check it out.