Musk offers to build tunnels under wet, flood-prone Miami

Elon Musk proposes building a tunnel system under flood prone Florida city, drawing public's doubt on project's feasibility. — AFP

As the world waited with baited breath for the US presidential inauguration, Tesla CEO Elon Musk had more pressing issues at hand -- exchanging tweets with Miami's mayor about building a tunnel system under the Florida city.

Other mayors seemed enthusiastic about the potential project by Musk's Boring Company, but many Floridians were quick to point out how shallow the water table is in the state's swampy south.