This is the template bigstock it is used to display bigstock photos. See Property:Bigstock id
{{bigstock |id=86096639 |title=stock-foto-percent-symbol-and-business-chart-on-financial-paper |size=200 }}
{{bigstock |id=87055265 }}
{{bigstock |id=5668486 |link=https://www.semantic-mediawiki.org/wiki/List_of_Attendees }}
{{bigstock |id=86096639 |copyright=true }}
Foto: © bigstockphoto.com http://www.bigstockphoto.de/image-8609663986096639
{{bigstock |id=86096639 |title=stock-foto-percent-symbol-and-business-chart-on-financial-paper |size=200 }}
{{bigstock |id=5668486 |link=https://www.semantic-mediawiki.org/wiki/List_of_Attendees }}
{{bigstock |id=86096639 |copyright=true }}
Foto: © bigstockphoto.com http://www.bigstockphoto.de/image-8609663986096639
{{bigstock |id=22569032 |size=200 }}
Bigstock stores the thumbnail images like this:
http://static1.bigstockphoto.com/thumbs/0/6/8/large2/86096639.jpg
so
/0/6/8
is just the first three digits of the id in reverse order separated by slashes.