For the last week or more, Beijing's air and weather have been downright depressing. At times like this, it's hard to remember that just a little over a week ago, we were having some of the city's most beautiful blue skies in years. Since we complain so much about the pollution (and rightfully so), sometimes it's nice to remember the good times too. We've rounded up some photos of Beijing's beautiful blue sky days earlier this month. If you don't like what you're seeing outside your window, just revisit this blog. That's my strategy as long as this muck continues. Click through for more.