Prague, St. Vitus Cathedral, Thunov Chapel, Stained Glass Window, Psalm 126:5. Stained Glass window in the Thunov Chapel, in the St Vitus Cathedral, Prague, Czech Republic. The window was designed by Frantisek Kysela 1929 - 1934, depicting scenes according to Psalms 126:5: "They that sow in tears shall reap in joy". The window portrays natural disasters such as floods, hail storms, fire, death, injury and old age, coupled with biblical quotes. Seen is a close-up of the crest of the window, with St Krystof holding a wooden cane and bearing Baby Jesus in the center, flanked by St Florian and St Barbara (not seen in the photo).