A boy uses a virtual reality headset to explore Chernobyl.
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Chernobyl: a disaster zone revisited 30 years on

26 April 2016 Last updated at 08:40 BST

Imagine a city left deserted for thirty years. Well that's what happened after a nuclear disaster in Ukraine in Eastern Europe.

Scientists have spent a week inside the exclusion zone - where nobody lives - taking pictures. Now, using virtual reality technology, everyone can take look around the area around the Chernobyl nuclear power plant and meet its surprising animal residents.

Leah's been having a look. Watch this video for more.