requirement for all departing passengers. this latest culture should viewed as part of the wave that began about an month ago. the province has been seeing a surge. and that's why you see local authorities really taking a familiar page from their playbook in terms of multiple rounds of mass testing and a very strict and extensive contact tracing as well as targeted local lockdowns across the province. now when you look at the inside numbers of course they are still relatively low. single digit or low double digits in terms of new locally transmitted cases. in china they really have a stroh tolerance policy. they said almost all the new cases have been of the delta variant. and they are now vowing to remain very vigilant in terms of detecting and handling cases