Puzzels van Ludger

• 

  Nationaal Park Grand Teton

  4.8

  1872

• 

  Delicate Arch in Arches National Park

  4.9

  1876

• 

  Philadelphia in de avond

  4.9

  1889

• 

  Lavendel Hill boerderij

  4.6

  1882

• 

  Schip in haven in Juneau, Alaska

  4.7

  1888

• 

  Bryce Canyon in Utah

  4.6

  1884

• 

  Kustkliffen van Californië

  4.7

  1906

• 

  Zonsondergang in Austin, VS

  4.6

  1915

• 

  Orgel Bergen, New Mexico

  4.7

  1911

• 

  Zonsondergang in Tucson

  4.8

  1911

• 

  North Head-vuurtoren, Ilwaco

  4.8

  1907

• 

  Seattle lightrailstation

  4.7

  1911

• 

  Stenen in de woestijn

  4.7

  1928

• 

  Schemering in New York

  4.7

  1934

• 

  Deuren van Mount Vernon Place Church

  4.7

  1936

• 

  Hotel Wentworth aan zee

  4.8

  1928

• 

  Plafond van metrostation Stadhuis

  4.7

  1938

• 

  Memorial Bridge, Augusta, Maine

  4.8

  1961

• 

  New York

  4.7

  1951

• 

  Los Angeles, VS

  4.8

  1981

• 

  Las Vegas Brain Health Center

  4.7

  1969

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