As Japan’s train designs race into the future, their plazas return to nature. Ryuma Takahashi speaks to the architect behind new plans for Iida station. Then: Giles Miller on sculpture as jewellery, plus our view on new proposals for Washington Dulles airport.

<p>As Japan&rsquo;s train designs race into the future, their plazas return to nature. Ryuma Takahashi speaks to the architect behind new&nbsp;plans for Iida station. Then: Giles Miller on sculpture as jewellery, plus our view on new proposals for Washington Dulles airport.</p>

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