1.  
  2. St. Basil’s stripes by Andrei Z on Flickr.

    Moscow, Moskva, RU

     
  3.  
  4. Lamp by jmvnoos in Paris on Flickr.

    Donostia-San Sebastian, Basque Country, ES

     
  5. Hot Spring Topography III by Fort Photo on Flickr.

    West Thumb, Wyoming, US.