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The air is polluted, not only by the virus but also because of the way we've been consuming our environment. This forced us to make changes in our way of living. A stricter diet, the luxury of traveling by plane has been limited for the common folk.
And masks have become mandatory.

Masks cover a big part of the face which is a huge part of
human identity. The masks in 2050 also serve as identification in various scenarios. Governments use them as safety and regulation.

But emotional responses differ from person to person
(see test 1). But a big disadvantage of having to wear masks is that it takes away one of our primary senses; The sense of smell.