Sanktuarium dla niedźwiedzi w Grecji - AFP

Melina Avgerinou feeds a bear cub called Luigi in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) nort...

Melina Avgerinou sits next to a bear cub called Luigi in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 mile...

Melina Avgerinou feeds a bear cub called Luigi in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) nort...

A bear cub called Luigi walks in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens,...

A bear cub called Luigi stands in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens,...

A bear cub called Luigi stands in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens,...

Melina Avgerinou gives a shower to a bear cub called Luigi stands in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometr...

A wolf walks at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23, 2018...

A wolf is seen at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23, 20...

A wolf is seen at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23, 20...

A bear stands in the forest on the mountain of Nymfeo, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly...

A bear walks in the forest on the mountain of Nymfeo, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly f...

A bear walks in the forest on the mountain of Nymfeo, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly f...

A bear cools itself in the forest in the Nymfeo mountains, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mai...

A bear stands in the forest in the Nymfeo mountains, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly fr...

A bear walks in the forest in the Nymfeo mountains, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly fro...

A bear stands in the forest in the Nymfeo mountains, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly fr...

A bear walks in the forest in the Nymfeo mountains, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly fro...

A bear stands in the forest in the Nymfeo mountains, northern Greece, on April 23, 2018. Founded in 1992, Arcturos shelters bears and wolves mainly fr...

Patrick, a three-year-old bear licks his claws at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) nort...

A bear stands on its back feet in the Arcturos sanctuary at Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens,...

A bear runs at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23, 2018....

Dimitris Nikolaou feeds bears at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens,...

A bear stands behind bars as it waits to eat at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northw...

A bear stands at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23, 201...

Dimitris Nikolaou feeds three-year-old paralysed bear Usko at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350...

Melina Avgerinou stands next to three-year-old paralysed bear Usko at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilomet...

Usko, a three-year-old paralysed bear, is seen at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) nort...

A three-year-old paralysed bear called Usko is seen at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles)...

A wolf is seen at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23, 20...

People walk towards the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April 23,...

People look at bears at the Arcturos sanctuary in Nymfaio on the slopes of Mount Vitsi, some 600 kilometres (350 miles) northwest of Athens, on April...