南宋 佚名 明皇幸蜀圖 軸, Emperor Xuanzong's Flight to Shu, Southern Song dynasty (1127?1279), mid-12th century, China, Hanging scroll; ink, color, and gold on silk, Image: 44 3/4 ? 32 5/8 in. (113. 7 ? 82. 9 cm), Paintings, Unidentified Artist Chinese, active mid-12th century, In 745, after thirty-three years of able rule, the Tang emperor Xuanzong (r. 712?56) fell in love with the concubine Yang Guifei and became indifferent to his duties. When Yang?s favorite general, An Lushan, rebelled in 755, she was blamed