2021-01-21 01:05:55 GMT2021-01-21 09:05:55(Beijing Time) Xinhua English CANBERRA, Jan. 21 (Xinhua) -- A study has revealed "massive concerns" about Australian forests' long-term recovery from the devastating 2019-20 bushfires. The study, which was published by Australian National University (ANU) and Griffith University on Thursday, warned that early signs of recovery from the fires could be deceiving. It found that the drought that preceded the 2019-20 bushfire season, which has been dubbed the Black Summer, was so severe that it reduced forests' capacity for regrowth. More than 18.6 million hectares of land, mostly on Australia's east coast, were burned by fires that raged for more than half a year.