They think it looked more or less like this:
The length and weight are estimates--
Based on its huge thigh bones, it was 40m (130ft) long and 20m (65ft) tall.
Weighing in at 77 tonnes, it was as heavy as 14 African elephants, and seven tonnes heavier than the previous record holder, Argentinosaurus.)
but definitely good enough for a giant dinosaur movie.
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