[Tagging] siphon underpass

John Willis johnw at mac.com
Thu Jun 8 15:08:02 UTC 2017

> On Jun 8, 2017, at 10:40 PM, Volker Schmidt <voschix at gmail.com> wrote:
> flat parts of the world

Common on irrigation aqueducts/canals/drains both large and small here in Japan, especially when they cross (under) a natural waterway. Without connecting to it. 


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