"Children Wading, painted by Scottish artist Robert Gemmell Hutchison in 1918, was stolen during a museum heist in Glasgow in 1989. Thieves deactivated an alarm system and climbed through an upstairs window into the Haggs Castle Museum of Childhood. The painting was only rediscovered decades later when it unexpectedly surfaced at an auction house and was identified via the Art Loss Register." (BBC News)

The sentence which correctly uses the passive voice while preserving the original meaning of the excerpt above is: