https://en.wikipedia.org/wiki/Ghent_Altarpiece
WebThe Adoration of the Mystic Lamb, also called the Ghent Altarpiece (Dutch: De aanbidding van het Lam Gods), is a large and complex 15th-century polyptych altarpiece in St Bavo's Cathedral, Ghent, Belgium.It was begun around the mid-1420s and completed by 1432, and it is attributed to the Early Netherlandish painters and brothers Hubert and Jan van Eyck. ...