Special Task Force (STF) personnel wearing protective gear spray disinfectant at the Colombo Library in Colombo, Sri Lanka, May 10, 2020. Authorities on Sunday announced that a curfew in the high risk districts including capital Colombo would be relaxed on Monday since it was imposed on March 20, to restart economic activities. (Photo by A.hpuarachchi/Xinhua)

Police officers spray disinfectant to sanitize an underpass in the Borella area of Colombo, Sri Lanka, May 10, 2020. Authorities on Sunday announced that a curfew in the high risk districts including capital Colombo would be relaxed on Monday since it was imposed on March 20, to restart economic activities. (Photo by A.hpuarachchi/Xinhua)

A police officer sprays disinfectant to sanitize an underpass in the Borella area of Colombo, Sri Lanka, May 10, 2020. Authorities on Sunday announced that a curfew in the high risk districts including capital Colombo would be relaxed on Monday since it was imposed on March 20, to restart economic activities. (Photo by A.hpuarachchi/Xinhua)

Fire brigade officers spray disinfectant to sanitize a road in Colombo, Sri Lanka, May 10, 2020. Authorities on Sunday announced that a curfew in the high risk districts including capital Colombo would be relaxed on Monday since it was imposed on March 20, to restart economic activities. (Photo by A.hpuarachchi/Xinhua)

Fire brigade officers spray disinfectant to sanitize a road in Colombo, Sri Lanka, May 10, 2020. Authorities on Sunday announced that a curfew in the high risk districts including capital Colombo would be relaxed on Monday since it was imposed on March 20, to restart economic activities. (Photo by A.hpuarachchi/Xinhua)