A masterful synthesis of liturgical architecture and iconography (mosaic) on the grandest scale.
Father Zenon Teodor, Painting the Crypt Chapel of Feodorovsky Cathedral, St Petersburg
Archimandrite Zenon is unquestionably the master iconographer of our age. Below is a very nice video compilation showing the wall paintings of the Crypt Chapel in Feodorovsky Cathedral in St. Petersburg. I believe he is using silicate paints on plaster.
Interview: Iconographer Vladimir Grygorenko
Interview with my first teacher, Vladimir Grygorenko, discussing a church he painted in 2016: