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22 points timthorn | 1 comments | | HN request time: 0.211s | source
1. cjs_ac ◴[] No.42174769[source]
> Tunnels and bridges have been proposed and in 1880 work started on experimental tunnels in Folkstone that were dug by hand and an early tunnel boring machine.

The extent of this work from 1880 and 1881 is shown on OpenStreetMap[0].

[0] https://www.openstreetmap.org/#map=16/51.10884/1.29304