Parts of eastern and southern China are bracing for heavy to torrential rain over the next three days, with authorities warning of floods, landslides and mudslides, as Typhoon Saudel re-forms over the South China Sea. Several airports could be affected, including Guangzhou Baiyun, Shenzhen Bao’an, Zhuhai Jinwan, Xiamen Gaoqi, Fuzhou Changle, Wenzhou…