“What do you do once you’ve built a 450-square-metre underground park? If you’re Daniel Barasch and James Ramsey, you make it 100 times bigger. In October 2015, ex-Googler Barasch and former Nasa satellite engineer Ramsey, both 39, raised $223,506 (£170,000) on Kickstarter and took over a downtown warehouse in New York City to create the indoor Lowline Lab.”
So…
