As Typhoon Yagi approaches, vessels are seen being docked at a harbor in Haikou, Hainan province, on Wednesday. LUO YUNFEI/CHINA NEWS SERVICE Yagi will be the strongest typhoon to strike the island province of Hainan in the past decade, China's meteorological body said on Wednesday. The typhoon, the 11th of this year, grew into a super typhoon on Wednesday, and …