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Would building a land bridge across the Bering Strait be more cost effective then building an actual bridge or tunnel? Much like how the Chinese build artificial islands in the South China Sea.

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    $\begingroup$ Did you mean "Bering Strait"? $\endgroup$ Commented Apr 10, 2023 at 16:47
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    $\begingroup$ Capitals matter! $\endgroup$
    – Transistor
    Commented Apr 10, 2023 at 17:13
  • $\begingroup$ @Transistor the original was "bearing straight", so not just capitals ;) $\endgroup$ Commented Apr 10, 2023 at 17:45
  • $\begingroup$ How about lowering thew water level? wasn't it originally a land bridge? $\endgroup$
    – Solar Mike
    Commented Apr 10, 2023 at 18:56
  • $\begingroup$ My guess is that ice bergs and ice sheets would be a problem . Ignoring the politics. $\endgroup$ Commented Apr 10, 2023 at 20:50

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Blocking a 50 mile/80 km straight would be troublesome at best, ecologically disastrous at worst.

Realistically, large spans like this would tend to be a combination of bridge, land bridge, tunnel, and artificial islands, each according to navigation, ecology, and cost.

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  • $\begingroup$ In addition to this, if we failed to curb global warming & the Arctic polar ice cap were to melt, such a land bridge would impinge of a "Northwest Passage" style shipping route between Europe & Asia, via the Arctic seas. $\endgroup$
    – Fred
    Commented Apr 11, 2023 at 1:55

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