water stairs in a wide river in germany . water stair fish ladder included . famous weir and lock rotenburg . werra, weir and lock

ancient architectural architecture basque beautiful biscay blue boat bridge building city construction europe fish fisherman fishing garden green hanging historic history house lake landmark landscape natural nature old outdoor park pond portugalete reflection river scenic sea sky spain stone summer sun tourism transporter travel tree unesco view vizcaya water wooden stairs wide germany stair ladder included famous weir lock rotenburg werra fulda