BEIJING, January 21 (TMTPOST) — China will see a decrease of six million trips in air traffic this year during the Spring Festival, according to a survey conducted and released by the Civil Aviation Passenger Service Evaluation (CAPSE). It is said that the drastic slump in passengers is caused by travel restrictions imposed to control and prevent the spread of the coronavirus. Nearly 80 per cent of travellers might cancel their flights during the Spring Festival, statistics from CAPSE show.