Question How did they Reconstruct the reichstag?

So the Reichstag was the German seat of parliment since 1894

Reichstag initially round 1900

It used to look extremely nicely made and clear however due to a fireplace in 1933

Reichstag on hearth throughout 1933

It has been extremely broken however fortunately i feel it was reconstructed. However then after WW2 the reichstag was utterly and totally destroyed

Reichstag after the conflict 1945

However now at this time the reichstag is now used because the parliment for the Federal Republic of Germany. So my query is how did they handle to repair all the extraordinarily unhealthy damages to the reichstag throughout the conflict and the fireplace and nonetheless be capable to use the reichstag because the seat of German parliment at this time? Are there additionally any remaining damages nonetheless seen at this time

Reichstag at this time round 2017