I have been in Pittsburgh twice and visited Phipps Conservatory and Carnegie Museum. If I go to 
Pittsburgh again, where else in Pittsburgh should I visit?

是呀，有山有水有岁月的城市。

多年前访问过匹兹堡，有山有岁的城市

Time for you to figure out ...

你真那么信星座？ 好像科学家不信这个东东