This giant changeset contains several duplicates.

I removed the following nodes, which were obvious duplicates of existing data:
https://www.openstreetmap.org/node/13059373501/history
https://www.openstreetmap.org/node/13059373401/history
https://www.openstreetmap.org/node/13059373804/history
https://www.openstreetmap.org/node/13059374801/history

Also, several places in Barcelona seem to have been added on top of existing shops.  Unless multiple businesses squeeze in the same space, there might be more fixes to do here.