A visitor admires the works of German designer Kostas Murkudis during the opening ceremony of the exhibition "At Close Range Kostas Murkudis and the MMK Collection" at the Museum for Modern Art in Frankfurt, Germany, on July 16, 2015. The exhibition will last to Feb. 14, 2016. (Xinhua/Luo Huanhuan)

Visitors admire the works of German designer Kostas Murkudis during the opening ceremony of the exhibition "At Close Range Kostas Murkudis and the MMK Collection" at the Museum for Modern Art in Frankfurt, Germany, on July 16, 2015. The exhibition will last to Feb. 14, 2016. (Xinhua/Luo Huanhuan)

Visitors admire the works of German designer Kostas Murkudis during the opening ceremony of the exhibition "At Close Range Kostas Murkudis and the MMK Collection" at the Museum for Modern Art in Frankfurt, Germany, on July 16, 2015. The exhibition will last to Feb. 14, 2016. (Xinhua/Luo Huanhuan)

Visitors admire the works of German designer Kostas Murkudis during the opening ceremony of the exhibition "At Close Range Kostas Murkudis and the MMK Collection" at the Museum for Modern Art in Frankfurt, Germany, on July 16, 2015. The exhibition will last to Feb. 14, 2016. (Xinhua/Luo Huanhuan)

Visitors admire the works of German designer Kostas Murkudis during the opening ceremony of the exhibition "At Close Range Kostas Murkudis and the MMK Collection" at the Museum for Modern Art in Frankfurt, Germany, on July 16, 2015. The exhibition will last to Feb. 14, 2016. (Xinhua/Luo Huanhuan)

Visitors admire the works of German designer Kostas Murkudis during the opening ceremony of the exhibition "At Close Range Kostas Murkudis and the MMK Collection" at the Museum for Modern Art in Frankfurt, Germany, on July 16, 2015. The exhibition will last to Feb. 14, 2016. (Xinhua/Luo Huanhuan)