This photo taken on May 16, 2023 shows the interior of the Amber Room at the Catherine Palace near St. Petersburg, Russia. Russia's Tsarskoe Selo State Museum held a press conference on Tuesday to commemorate the 20th anniversary of Amber Room's opening to the public at the Catherine Palace, during which it introduced the history and technology of the reconstruction of the Amber Room. (Photo by Irina Motina/Xinhua)
A craftsman demonstrates the restoring process of the interior of the Amber Room at the Catherine Palace near St. Petersburg, Russia, on May 16, 2023. Russia's Tsarskoe Selo State Museum held a press conference on Tuesday to commemorate the 20th anniversary of Amber Room's opening to the public at the Catherine Palace, during which it introduced the history and technology of the reconstruction of the Amber Room. (Photo by Irina Motina/Xinhua)
An artisan demonstrates the reconstruction process of the Amber Room of the Catherine Palace near St. Petersburg, Russia, on May 16, 2023. Russia's Tsarskoe Selo State Museum held a press conference on Tuesday to commemorate the 20th anniversary of Amber Room's opening to the public at the Catherine Palace, during which it introduced the history and technology of the reconstruction of the Amber Room. (Photo by Irina Motina/Xinhua)
This photo taken on May 16, 2023 shows the interior of the Amber Room at the Catherine Palace near St. Petersburg, Russia. Russia's Tsarskoe Selo State Museum held a press conference on Tuesday to commemorate the 20th anniversary of Amber Room's opening to the public at the Catherine Palace, during which it introduced the history and technology of the reconstruction of the Amber Room. (Photo by Irina Motina/Xinhua)