Noticed ...

Chicago's main airport had a couple of noteworthy features including what must be about the longest concourse in the world! On the way to Louisville earlier this month, we had to change planes and that meant walking from one end of the airport to the other - a brisk 15-20 minute journey. But on the way I noticed the dinosaur (I'd walked past it without noticing it earlier in the day!).
Another feature was the hygienic toilet seat covers: the plastic sleeve is "moved along" one seat's worth when you pass your hand in front of a sensor. I tested: it's not the same bit being moved back and forth. Also worked by sensors:the flush, and the sink taps. And, as you'd expect, there are no main restroom doors so there's no fear of door germs on your way out either The other feature of Chicago that has left me intrigued is the Towers around the City - they look like huge golf tees complete with ball. What are they? Some have suggested water towers; some not. Homeland security devices perhaps - given that Chicago is the busiest airport in the US according to a recent poll - and I'd agree that it seems to be one of the biggest!
But it didn't have the fog San Francisco had that day - or the snow we flew over on the mountains (amazing given how hot it's been in the States!). (Notice the difference in quality between photos taken on the camera - and on the phone!)