Researchers believe vertebrae and ribs indicate a brachiosaurid sauropod 25 metres long and 12 metres high
The remains of what could be the largest dinosaur ever found in Europe have been uncovered in a back garden in Portugal.
Excavation work began in the garden in the city of Pombal in 2017, when the owner of the property noticed fragments of fossilised bone and contacted researchers from the University of Lisbon.
