Travellers wait in a long queue to pass through a security check at Heathrow airport in London, England. Overall air travel demand, measured in revenue passenger kilometres, or RPKs, was up 78.7 per cent annually in April. Photo: Getty
Travellers wait in a long queue to pass through a security check at Heathrow airport in London, England. Overall air travel demand, measured in revenue passenger kilometres, or RPKs, was up 78.7 per cShow more
