Trier Cathedral: one watercolor, one ink July 1, 2025July 1, 2025 by Gary Kirkpatrick Trier Cathedral II, watercolor 21 x 30cm/8.3 x 11.7 cm Trier Cathedral II, watercolor 21 x 30cm/8.3 x 11.7″ Trier Cathedral, ink 21 x 30 cm/8.3 x 11.7″