Original: In the north the Marzahn locality includes the neighbourhoods of Bürknersfelde and Ahrensfelde , an overbuilt strip of land which once had belonged to the Brandenburg municipality of Ahrensfelde and was incorporated into Berlin in 1990 .
Simplified: In the north the locality includes the neighbourhoods of Bürknersfelde and Ahrensfelde , an overbuilt strip of land which once belonged to the Brandenburg municipality of Ahrensfelde and was incorporated into Berlin in 1990 .