As noted, the church in question was left that way to serve as a memorial. The "courthouse" you mention was destroyed in World War 2, however the "rebuilding"

As noted, the church in question was left that way to serve as a memorial. The "courthouse" you mention was destroyed in World War 2, however the "rebuilding" is something that just started in the last few years. During the time that Germany was divided, East Germany had their parliament building there: https://en.wikipedia.org/wiki/Palace_of_the_Republic,_Berlin https://en.wikipedia.org/wiki/Palace_of_the_Republic,_Berlin That was torn down in 2008 and now the new "city palace" is being built in its place, with a facade that is similar to the original palace.