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Meeting the people behind the scenes at one of the world's greatest museums. While dinosaur researcher Cassius scans a giant Gorgosaurus jawbone, space expert Ashley studies the Winchcombe meteorite.

The museum hosts the world's biggest wildlife photography competition, the garden is transformed as part of the museum's Urban Nature Project, and a 67-million-year-old triceratops fossil needs repairing.

Tori the ancient mammal expert meets artist Alexandra Daisy Ginsberg who brings different depictions of endangered rhinos for the Museum's latest exhibition, The Lost Rhino. The Chairman of the Board of Trustees, Patrick Vallance pays a visit to the museum's 40,000 bat specimens and discovers how a strain of Coronavirus has been detected in some bat specimens which are hundreds of years old. Andrea, curator of a new Challenger exhibition, prepares some of the records and photographs taken over 150 years ago on the sea expedition. Meteorite expert Natasha presents the museum's micrometeorites.

Cameras follow dinosaur expert Susie on a dig in the Atlas Mountains of Morocco in search of new dinosaur fossils. Back in London, researcher Lauren and her colleague Paul are on a mission to track down invasive species which are bad news for British wildlife, and Theo, one of the Urban Project youth leaders, explores the Museum's own wildlife in its garden.