Maybe one day, flying cars and jetpacks will be the hallmarks of futuristic cities, but today — in 2023 — it’s massive underwater bicycle parking garages like the one that just opened at Amsterdam’s Centraal Station. The structure has space for 6,300 personal bicycles and 700 more for bikeshares to facilitate the first or last mile of rail journeys. Capacity will expand to 11,000 bicycles when a second garage opens in February.
The four-year, €60 million (about $65 million) project…