©
Ralph Apeldoorn: Stwlan dam
©
Ralph Apeldoorn: Stwlan dam
©
Ralph Apeldoorn: Lake Koman
©
Ralph Apeldoorn: Sluizencomplex De Ganzepoot
©
Ralph Apeldoorn: Forth and Clyde canal
©
Ralph Apeldoorn: Caledonian Canal
©
Ralph Apeldoorn: Neptune's Staircase
©
Ralph Apeldoorn: Neptune's Staircase
©
Ralph Apeldoorn: Neptune's Staircase
©
Ralph Apeldoorn: Storfossdammen
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Vrangfoss sluser
©
Ralph Apeldoorn: Kjeldal Sluse
©
Ralph Apeldoorn: Hogga sluse
©
Ralph Apeldoorn: Hogga sluse
©
Ralph Apeldoorn: Hogga sluse
©
Ralph Apeldoorn: Molenbeek dam
©
Ralph Apeldoorn: Zijpersluis
©
Ralph Apeldoorn: De Rijp
©
Ralph Apeldoorn: Zaandijkersluis
©
Ralph Apeldoorn: Zaandijkersluis
©
Ralph Apeldoorn: Poelsluis Wormer
©
Ralph Apeldoorn: Bartelsluis
©
Ralph Apeldoorn: Bartelsluis