Appears there were toxic gases in the caves. https://www.nationalgeographic.com/science/article/greece-delphi-oracle-gas-vapors-science https://www.nationalgeog

Appears there were toxic gases in the caves. https://www.nationalgeographic.com/science/article/greece-delphi-oracle-gas-vapors-science https://www.nationalgeographic.com/science/article/greece-de...