Chinese rescuers continued searching for survivors from this week’s devastating floods along the border with Nepal as the operation passed a critical 72-hour window. On Saturday morning, engineers and workers started clearing away mud and debris using excavators and heavy earth-moving machinery in an effort to reopen the route to a border checkpoint in Gyirong, Tibet. Many of the frontline workers involved had taken part in another rescue operation in July last year, when the region was hit by a...