[IMGCAP(1)] ‘ On a clear day, you can see … right through this window! A painter balances himself precariously on a ladder at this Capitol Hill institution. Can you name it? Check back next week for the answer. [IMGCAP(2)] Things weren’t nearly so bright and beautiful in the tunnel between the Cannon and Longworth buildings, where last week’s picture was taken. At least you can get BlackBerry service down there.