Queen Margrethe, Crown Prince Frederik and Crown Princes Mary arrives at Roskilde train station on their way to Roskilde Cathedral on the day of Queen Margrethe 50th Regent's Anniversary at Christiansborg Castle, Copenhagen, Friday Jan. 14, 2022. Denmark???s popular monarch Queen Margrethe is marking 50 years on the throne with low-key events. The public celebrations for Friday's anniversary have been delayed until September due to the pandemic. (Claus Bech/Ritzau Scanpix via AP)