The 1986 disaster has unexpectedly created Europe's largest nature reserve.
Foreign ministers from G7 countries are meeting to discuss a range of pressing international issues including Russia, China and climate change.
Foreign ministers of the G7 countries gather in London on Monday for their first in-person meeting since the pandemic began.
The 1791 Constitution was intended to strengthen the rule of law and protect the country against aggression from neighbouring powers, including Russia.
Three experts from the fields of global history, social science and economics give their insight into recovery after the pandemic, if and how it will change our lives and how coronavirus compares to previous fast-spreading diseases known to man.