Alles wird gut
The fact , that pieces of Berlin Wall ( torn down in 1989 ) became popular souvenirs is referenced in the line "Mit einem Stein in der Hand als Souvenir von der Mauer in Berlin/Klopfen wir an die Hintertür vom neuen Paradies" ( "With a stone in the hand as a souvenir from the wall in Berlin/We're knocking on the backdoor of the new paradise" ) . 
<triplet> Berlin Wall <subj> Berlin <obj> located in the administrative territorial entity