All French ski resorts are closing on Sunday and will not reopen for the rest of the season as a result of the coronavirus outbreak, ski resort operators said, dealing another heavy blow to a France's tourism industry."The ski season ends today," Domaines Skiables de France, which group's the country's resort operators, said on Twitter. "Holiday-makers and professionals, we're all passionate about skiing and must face up to the seriousness of the situation."Most resorts usually close in April or early May. The shutdown comes just three weeks before the French and British school holidays, one of the busiest periods of the season.Prime Minister Edouard Philippe announced on Saturday evening that France would shut all shops, restaurants and entertainment sites.