Are you sure that in 72427535 
<https://overpass-api.de/achavi/?changeset=72427535> buildings were just moved?
buildings and college that used to be mapped at
https://www.openstreetmap.org/#map=18/-12.94547/28.64318

It is gone thanks to https://overpass-api.de/achavi/?changeset=72427535

BTW how one may undelete delete buildings? Straight revert will delete new ones,
what may be not needed.

Use reverter plugin in JOSM, copy buildings to a new layer, delete reverter 
layer, save?

Is there some script that I can run with "revert deletions only in changeset 
XYZ"?

May 22, 2020, 15:47 by talk@openstreetmap.org:

> Le vendredi 22 mai 2020 07 h 29 min 19 s UTC−4, Frederik Ramm 
> <frede...@remote.org> a écrit :
> > Sometimes users deleted a large number of
> > buildings e.g. here > https://overpass-api.de/achavi/?changeset=72427535
> > without giving a clear reason
>
> Looking at Achavi, red outlines make us think objects were deleted. But in 
> fact, the buildings were simply slightly moved to realign to DigitalGlobe 
> imagery (not Bing).  And no correction of geometry was made, even where too 
> many and unsquared angles to represent a rectangular building. Also Tags are 
> systematically added:  
>     "mapper"="mspray4"
>     "source"="Akros"
>  
>
>

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