[1/6] People stand on a front loader travelling through floodwaters after the rains and floods brought by remnants of Typhoon Doksuri, in Zhuozhou, Hebei province, China August 3, 2023. REUTERS/Tingshu Wang BEIJING, Aug 3 (Reuters) – From dangerous discharge by swollen rivers to residents trapped in waterlogged cities, China's disaster-response systems are being put to the test, with record rainfall potentially taking weeks to recede following one of the strongest storms in years. In the wake of Typhoon Doksuri, which landed in southern China on Friday, extreme rain has battered the north, breaking a 140-year rainfall record in Beijing and…