What country does Chelyabinsk Airport and S7 Airlines have in common?
S7 Airlines S7 Airlines, legally PJSC Siberia Airlines (Russian: ПАО «Авиакомпания "Сибирь"» "PАО Aviakompania Sibir"), is an airline headquartered in Ob, Novosibirsk Oblast, Russia, with offices in Moscow. As of 2008, it was Russia's biggest domestic airline. Its main bases are Domodedovo International Airport and Tolmachevo Airport.
Bural Bural is an airline based in Ulan-Ude, Russia. It operates trunk and regional passenger services. Its main base is Ulan-Ude Airport.