Foreign delegates wearing face masks as a precaution against the coronavirus arrive to attend the inaugural ceremony of Aero India 2021 at Yelahanka air base in Bengaluru, India, Wednesday, Feb. 3, 2021. Aero India is a biennial event with flying demonstrations by stunt teams and militaries and commercial pavilions where aviation companies display their products and technology. (AP Photo/Aijaz Rahi)