People enjoy the performance of musicians from the Santa Cecilia academy in the reopened Colosseum in Rome, Italy, Feb. 1, 2021. Coronavirus restrictions were eased in most of Italy's 20 regions on Monday after the latest epidemiological picture showed an improving pandemic trend in the country. (Xinhua/Cheng Tingting)

Musicians from the Santa Cecilia academy perform in the reopened Colosseum in Rome, Italy, Feb. 1, 2021. Coronavirus restrictions were eased in most of Italy's 20 regions on Monday after the latest epidemiological picture showed an improving pandemic trend in the country. (Xinhua/Cheng Tingting)

Flowers bloom on the ruins in the reopened Roman Forum in Rome, Italy, Feb. 1, 2021. Coronavirus restrictions were eased in most of Italy's 20 regions on Monday after the latest epidemiological picture showed an improving pandemic trend in the country. (Xinhua/Cheng Tingting)

People wearing face masks visit the reopened Roman Forum in Rome, Italy, Feb. 1, 2021. Coronavirus restrictions were eased in most of Italy's 20 regions on Monday after the latest epidemiological picture showed an improving pandemic trend in the country. (Xinhua/Cheng Tingting)

A man wearing a face mask walks in the reopened Colosseum in Rome, Italy, Feb. 1, 2021. Coronavirus restrictions were eased in most of Italy's 20 regions on Monday after the latest epidemiological picture showed an improving pandemic trend in the country. (Xinhua/Cheng Tingting)