suffered its most intense bushfire season on record. 18 months on, nick lazaredes travels to some of the areas hardest hit. it just exploded. like, a whole mountainjust exploded in five seconds. i ve never seen anything like it. australians know it as black summer. the months in late 2019 and early 2020 when the country saw its most intense bushfire season on record. up to three billion animals were killed or displaced, and huge swathes of their habitat were burnt. i m nick lazaredes, and 18 months on, i ve been travelling across australia to discover how its wildlife is faring now.