47 pairs have negative mean SSIM: the source and target are anti-correlated, sharing less structure than random noise. The worst offenders:
Another event is solemnly referred to as “The Great Self-Decapitation.” Sultan of Rum explained that around 2015, some of the older guard—developers and administrators alike—left the project all at once. The exodus was due to the second scrapping of a large city in development.
，这一点在爱思助手下载最新版本中也有详细论述
refuse to admit it has design flaws
Жители Санкт-Петербурга устроили «крысогон»17:52