You know how a sunset usually works - sun is high, gets lower, reaches the horizon, disappears - and somewhere in between, there might be some nice colours in the clouds. BUT, the change in colours usually happens relatively gradually. Well, in this case, it didn't. In one moment, the sky was blue and dull, and within 10 seconds (I am not making this up!) everything went purple. It was like someone had changed a setting on a massive mood-light somewhere and switched it to "Oh Yeah".