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#earthwork #mound #embankment #dyke #landform

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#cliff #geographical bluff #embankment #steep bank #ridge #high bank

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#solid wall #sea defence #wave barrier #coastal engineering #embankment #dyke

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#riverside #water edge #flowing water #river margin #embankment

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#ancient fortification #hill fort #embankment #historical earthworks #rampart #defensive earthworks

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#river dam #flow control #water barrier #embankment #water management