Blue Monday 2021: why is today considered the saddest day of the year? Blue Monday | Ephemeris | Coronavirus | Revtli | ANSWERS
:quality(75)/cloudfront-us-east-1.images.arcpublishing.com/elcomercio/RLH7FPB6BVBMHCJJ3IZUB7CGGU.jpg?resize=300&w=300 "Blue Monday 2021: why is today considered the saddest day of the year? Blue Monday | Ephemeris | Coronavirus | Revtli | ANSWERS")