Archeologists who found skeletons in a mass London grave believe they died from a volcanic eruption in the 13th Century which may have taken place thousands of kilometres away.
Thousands of skeletons were found at Spitalfields Market, in east London, during the 1990s and archeologists assumed they died during the Black Death plague.
However, tests have revealed they died during a volcanic eruption during the 13th century, which is believed to have killed more than 15,000 people in London.
More than 10,000 remains were found at the site, between 1991 and 2007, but archeologists believe more than 18,000 could have been buried there.
Experts are now trying to find out where the volcanic eruption took place but it is believed it could have erupted in somewhere as far away as Mexico or Indonesia.The huge eruption is though to have created a veil of dry fog across the earth's stratosphere which blocked out sunlight and cooled the Earth's surface causing famine.
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