With mandatory masks and empty middle seats, air travel certainly looks different during the Covid-19 pandemic. But London-based transportation design firm PriestmanGoode has taken it a step further, and re-imagined how airplane cabins could be outfitted to make the environment safer for passengers and crew.

While it's unclear when or if these designs could be brought to life, here are models depicting PriestmanGoode's proposed changes to economy cabins: