On April 26, 2011, Belarus, Ukraine and Russia will mark the 25th anniversary of the nuclear reactor explosion in Chernobyl, the place where the world's worst civil nuclear accident took place in 1986.

With the world witnessing the second worst nuclear disaster in the last 25 years since Chernobyl, as the earthquake and tsunami affected Fukushima Daiichi nuclear power plant in Japan, it's time to look back into a city that was deserted following the Chernobyl crisis 25 years ago and which is dubbed one of world’s most disastrous nuclear catastrophe.

The site was opened to tourists in February this year with an intention to generate revenue as well as send across the message of nuclear safety.

Start the slideshow to view a combination of images, showing before and 25 years after view of the abandoned city of Prypiat near the Chernobyl nuclear power plant in North Ukraine.

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