On 15 August , a day of mourning was observed , with flags lowered to half-mast at government buildings within China and at embassies in foreign countries . Additionally , all public and online entertainment was suspended , and major newspapers and internet sites were grayscaled . At the Expo 2010 in Shanghai , all activities were canceled . Such events are rare in China ; only after an earlier earthquake in 2010 and the 2008 Sichuan earthquake in recent years have such periods of mourning been observed
2008 Sichuan earthquake
2008 Sichuan earthquake
2010 Gansu mudslide