a lot of— to format worker camps. we used a lot of satellite imagery for that — a lot of satellite imagery for that so _ a lot of satellite imagery for that. so that was identifying key features of camps. whether that was — key features of camps. whether that was very thick perimeter walls. — that was very thick perimeter walls, like two metres thick, guard — walls, like two metres thick, guard towers at the corner of those — guard towers at the corner of those weather is barbed wire in courtyards with up and those things— courtyards with up and those things helped us to determine whether— things helped us to determine whether a camp of the place was likely— whether a camp of the place was likely to — whether a camp of the place was likely to be a camp or not. we corroborated that using eyewitness reports we spoke to thousands of former detainees, several— thousands of former detainees, several who were able to point us directly to where they were being — us directly to where they were being held for support government tender documents in our media — government tender documents in our media reports. and government tender documents in our media reports.— our media reports. and you won the pulitzer— our media reports. and you won the pulitzer prize _ our media reports. and you won the pulitzer prize for— our media reports. and you won the pulitzer prize for this? - the pulitzer prize for this? yes, we won the pulitzer prize for international reporting for this work. for international reporting for this work-— this work. that's amazing. regimen _ this work. that's amazing. regimen strick _ this work. that's amazing. regimen strick i _ this work. that's amazing. regimen strick i want - this work. that's amazing. regimen strick i want to l this work. that's amazing. i regimen strick i want to hear more about your work in a moment. and trying to speak. i want to hear about your work at the moment because you're not only concentrating on ukraine and russia are also doing a lot