Musk's infrastructure firm The Boring Company has submitted plans to build a tunnel that would shuttle people in a dedicated fleet of Tesla cars from the north of Miami to the beach.
Measuring six miles long the tunnel would connect the commuter railway station at Golden Glades with Sunny Isles Beach on the city's eastern coast.
Commenters aren't keen. One called it, "possibly the most useless idea ever".
Other stories in this week's newsletter include a pool house built from red concrete in Belgium, Kim Kardashian's Tadao Ando and Kengo Kuma-design holiday homes and our lookbook showcasing 10 home interiors with distinctive terrazzo floors.
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