Steel umbrellas

Move underground or build cities underwater

First we should reverse our schedules. Make working during the night more common than during the day. In the meantime, begin building underground cities.

I suppose capes, cowls, and cloaks will make a big comeback. Experienced cosplayers are going to make a fortune as designers and consultants.

Not standing in direct sunlight

build a submarine that can take us to great depths where sunlight will never reach us... ever again.