A woman drinks a glass of water at home after a large-scale power outage in Havana, Cuba, on the 6th (local time). Reuters Yonhap News Another large-scale power outage occurred in Cuba, which is experiencing energy supply difficulties due to U.S. sanctions. The Cuban Electric Power Authority announced in an emergency statement on the 6th (local time) that power supply to the entire National Electric System (SEN) has been completely cut off. Meanwhile, find out the specific cause...