CNN  — 

The year 2019 was another year of high drama in the world of aviation.

It was a record year for bankruptcies, as travel giant Thomas Cook went bust, and close to 20 other airlines besides.

There were bad times for Boeing, with its 737 MAX grounded since March after being involved in two fatal air crashes.

New mega-airports opened around the world, with Singapore’s Jewel Changi Airport – complete with indoor waterfall – the most spectacular of all.

More flights were taken than ever before, and the industry faced a shortage of both pilots and airport slots – but at the same time a global “flight shame” movement, spearheaded by a teenage climate activist named Greta Thunberg, gathered steam.

Here’s a look back at the year’s most talked-about momen