sky clears after rain / new hopes after a disastrous period (idiom) / every cloud has a silver lining (idiom) / see also 雨過天青|雨过天青[yu3 guo4 tian1 qing1]
重蹈覆辙
chóng dǎo fù zhé
lit. to follow in the tracks of an overturned cart (idiom) / fig. to follow a path that led to failure in the past / to repeat a disastrous mistake
黄花岗
Huáng huā gǎng
Huanghuagang (Chrysanthemum Hill) in Guangzhou, scene of disastrous uprising of 23rd April 1911
sky clears after rain / new hopes after a disastrous period (idiom) / every cloud has a silver lining (idiom) / see also 雨過天晴|雨过天晴[yu3 guo4 tian1 qing2]
遗害无穷
yí hài wú qióng
to have disastrous consequences / also written 貽害無窮|贻害无穷[yi2 hai4 wu2 qiong2]
cǎn