Printable Rainbow invitation / letter - SO AWESOME! Regular paper, 2 pages, simple instructions - my new stationary! from Mr. Printables ( free printables for kids) - comes with "no text" version also.
Spiral staircase lined with bookcases by Portuguese architect Manuel Maia Gomes. The staircase forms part of a project called House Antero de Quental that involved converting the former home of a nineteenth century poet into a literary centre. Via Dezeen