I’m reposting this from last year, a couple of comments caught my attention (today 04/04/2013) and I thought it pertinent.
As part of the World Autism Awareness Day campaign owners of buildings, monuments etc have been encouraged to light them up blue, here’s a sample from last year;
More here at the official Light It Up Blue site
I believe that our one and only 5 star hotel here in Port Elizabeth joined in this year , when I get pics I’ll share 😉
Boadicea's Chariot 
While researching this post I found this article from The Cypress Times, it lists over a 1000 buildings world wide joining in the campaign.
Wow! 🙂
Excellent! The Sydney Opera house looks pretty. 🙂
Blue Niagra… amazing!
Thank you for the Table Mountain photo, Soutie.
I had a look to see if I could find a bigger version but I couldn’t. 😦
What a stunning display world-wide.
Good morning Ara, thank you.
I’ve swopped for one of my file pictures from last year.