Schoolchildren attend a class at the Simone Veil Primary School in Nice, France, May 12, 2020. Nearly two months after ordering its 67 million population to stay home to stem the coronavirus outbreak, France on Monday cautiously started a gradual process to return to normalcy, easing some restrictions while maintaining others to avoid a new epidemic wave. Some 1.5 million children, or 22 percent of the country's total number of pupils, are preparing to go to school on Tuesday, and 190,000 teachers resumed work on Monday, according to the Education Ministry's data. (Photo by Serge Haouzi/Xinhua)

Schoolchildren wearing face masks line up as they enter the classroom at the Simone Veil Primary School in Nice, France, May 12, 2020. Nearly two months after ordering its 67 million population to stay home to stem the coronavirus outbreak, France on Monday cautiously started a gradual process to return to normalcy, easing some restrictions while maintaining others to avoid a new epidemic wave. Some 1.5 million children, or 22 percent of the country's total number of pupils, are preparing to go to school on Tuesday, and 190,000 teachers resumed work on Monday, according to the Education Ministry's data. (Photo by Serge Haouzi/Xinhua)

A girl washes her hands at the Simone Veil Primary School in Nice, France, May 12, 2020. Nearly two months after ordering its 67 million population to stay home to stem the coronavirus outbreak, France on Monday cautiously started a gradual process to return to normalcy, easing some restrictions while maintaining others to avoid a new epidemic wave. Some 1.5 million children, or 22 percent of the country's total number of pupils, are preparing to go to school on Tuesday, and 190,000 teachers resumed work on Monday, according to the Education Ministry's data. (Photo by Serge Haouzi/Xinhua)

Schoolchildren attend a class at the Simone Veil Primary School in Nice, France, May 12, 2020. Nearly two months after ordering its 67 million population to stay home to stem the coronavirus outbreak, France on Monday cautiously started a gradual process to return to normalcy, easing some restrictions while maintaining others to avoid a new epidemic wave. Some 1.5 million children, or 22 percent of the country's total number of pupils, are preparing to go to school on Tuesday, and 190,000 teachers resumed work on Monday, according to the Education Ministry's data. (Photo by Serge Haouzi/Xinhua)