People visit a contemporary sculpture exhibition at the ancient Odeon of Herodes Atticus in Athens, Greece, on June 25, 2020. As the coronavirus pandemic has disrupted this year's Athens and Epidaurus Festival program, the Odeon of Herodes Atticus theater, for the first time in its 2,000-year history, is playing host to a contemporary sculpture exhibition by distinguished Greek artist Dionisis Kavallieratos. (Xinhua/Marios Lolos)

People visit a contemporary sculpture exhibition at the ancient Odeon of Herodes Atticus in Athens, Greece, on June 25, 2020. As the coronavirus pandemic has disrupted this year's Athens and Epidaurus Festival program, the Odeon of Herodes Atticus theater, for the first time in its 2,000-year history, is playing host to a contemporary sculpture exhibition by distinguished Greek artist Dionisis Kavallieratos. (Xinhua/Marios Lolos)

People view artworks during a contemporary sculpture exhibition at the ancient Odeon of Herodes Atticus in Athens, Greece, on June 25, 2020. As the coronavirus pandemic has disrupted this year's Athens and Epidaurus Festival program, the Odeon of Herodes Atticus theater, for the first time in its 2,000-year history, is playing host to a contemporary sculpture exhibition by distinguished Greek artist Dionisis Kavallieratos. (Xinhua/Marios Lolos)

People visit a contemporary sculpture exhibition at the ancient Odeon of Herodes Atticus in Athens, Greece, on June 25, 2020. As the coronavirus pandemic has disrupted this year's Athens and Epidaurus Festival program, the Odeon of Herodes Atticus theater, for the first time in its 2,000-year history, is playing host to a contemporary sculpture exhibition by distinguished Greek artist Dionisis Kavallieratos. (Xinhua/Marios Lolos)

People visit a contemporary sculpture exhibition at the ancient Odeon of Herodes Atticus in Athens, Greece, on June 25, 2020. As the coronavirus pandemic has disrupted this year's Athens and Epidaurus Festival program, the Odeon of Herodes Atticus theater, for the first time in its 2,000-year history, is playing host to a contemporary sculpture exhibition by distinguished Greek artist Dionisis Kavallieratos. (Xinhua/Marios Lolos)

People visit a contemporary sculpture exhibition at the ancient Odeon of Herodes Atticus in Athens, Greece, on June 25, 2020. As the coronavirus pandemic has disrupted this year's Athens and Epidaurus Festival program, the Odeon of Herodes Atticus theater, for the first time in its 2,000-year history, is playing host to a contemporary sculpture exhibition by distinguished Greek artist Dionisis Kavallieratos. (Xinhua/Marios Lolos)