Oroville Dam crisis, why 200,000 people near the US’ tallest dam are in danger
With its 230 metres (770 feet) the Oroville dam in California is the tallest in the United States, lying about 240 kilometres (150 miles) from San Francisco. On the 7th of February operators noticed damages to the main spillway, channel used to control the release of water from the basin, flowing into the Feather River. After they slowed