It was written by all four members of the band along with Brian Eno, who also handled the production with Markus Dravs and Rik Simpson.
[4] Jeremy Gordon of Spin magazine wrote: "The skittering percussion and swirling electronics that open up the song are completely dissimilar from the EDM components they picked up on the way to their regrettable successful Chainsmokers collaboration; the spooky tones permeating the spaces in between Martin's indefatigably earnest vocals sound like background music from an X-Files episode.
Martin's lyrics, which address the refugee crisis, lean hard on the maudlin side, which is not an unfamiliar space for the band to be.
"[5] Althea Legaspi of Rolling Stone magazine wrote: "The song's pulsating rhythms emulate the racing heartbeat that might accompany searching for safety in a bleak world.
[7] Darragh Berry of Joe wrote that the song has "the distinctive Coldplay sound" and called the lyrics "deep" and "meaningful".