Does snow make us more social? Yes, and there are more reasons why snow puts us in good spirits

In Utrecht, two complete strangers built a snowman together, a snowball fight took place at the Mediapark in Hilversum between the (quite competing) editors of RTL and NOS, and in Dalfsen the mayor started one with the local youth. The snow seems to go to our heads and make the world softer and happier. How does that work?

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