61. 波浪练习5(2019) by Zheng Guogu 高清作品[26%] 材质 :Oil on silk 尺寸 :98 × 98 cm Painting 波浪练习5(2019)-郑国谷(Chinese, b. 1970)英文名称:Wave Exercise 5 (2019) | Available for Sale-Zheng Guogu
62. 练习曲(1951) by Joseph Lacasse 高清作品[26%] 材质 :Oil on canvas 尺寸 :100 × 73 cm Painting 练习曲(1951)-约瑟夫·拉卡斯英文名称:Etude (1951)-Joseph Lacasse
63. 《青春苹果练习曲》(2019) by Nadezda 高清作品[26%] 材质 :Oil on panel 尺寸 :30.5 × 30.5 cm Painting 《青春苹果练习曲》(2019)-十一月英文名称:Etude with An Apple of Youth (2019)-Nadezda
64. 《女巫绿》练习曲(2017) by Nadezda 高清作品[26%] 材质 :Oil on panel 尺寸 :20.3 × 20.3 cm Painting 《女巫绿》练习曲(2017)-十一月英文名称:Etude in Witch Green (2017)-Nadezda
65. 张力绿练习曲(2017) by Nadezda 高清作品[26%] 材质 :Oil on panel 尺寸 :20.3 × 25.4 cm Painting 张力绿练习曲(2017)-十一月英文名称:Etude in Tension Green (2017)-Nadezda