Bucka, the 11 year-old overweight mongrel dog, is seen during a test trying to find the reasons for obesity...
Bucka, the 11 year-old overweight mongrel dog, is seen during a test trying to find the reasons for obesity at the Ethology Department of the ELTE University in Budapest, Hungary, June 13, 2018. Picture taken June 13, 2018. REUTERS/Tamas Kaszas