There is no word on when schools, which have been teaching online and through social media, might reopen in Hubei. “We still feel it is not the right time to resume classes,” said Li Zhen, a teacher at the Yingshan County Experimental School in Huanggang.

Two angles whose sum is a circle (360°) are explementary angles, and either is the explement of the other.

They nodded their assent.

This time there was just silence. An extraordinary response from a community that prides itself on its ethnic identity. What on earth had happened to the Gujjus? The generous Gujjus? Where had fellow-feeling gone?