March 10，according to“Lanzhou release”WeChat public account message，Lanzhou City New Coronavirus Epidemic Joint Prevention and Control Leading Group Office issued a notice，Reducing and restricting group travel and&ldquo of the city's travel agencies and online travel companies;Air tickets + hotel”Business，Comprehensive suspension of inter-provincial 188bet app business，Fully cooperate with epidemic prevention and control work。At the same time，Please pay close attention to the epidemic situation，Don’t leave Lan unless necessary，Those who really need to leave the country must present a green health code and a negative 48-hour nucleic acid test certificate，Protect yourself with personal protection throughout the process。