Archaeologists have uncovered hundreds of vast earthworks in the Amazon rainforest, which they say are evidence of a “lost civilisation” that flourished nearly 2,000 years ago, said New Scientist. Archaeologists first identified several in the western Brazilian state of Acre in 1977, when deforestation began to clear parts of the forest. The survey revealed 432 geoglyphs – “nearly 400 of which were completely new to science”. In the early 2010s, archaeologists were “astonished” when it revealed a lost Maya city. The presence of thousands of geoglyphs is “leading archaeologists to rethink assumptions about pre-colonial civilisations and urban development”, said LiveScience.