The statue of Ramesses originally weighed about 20 tonnes.

Evidence

The granite for the sculpture was quarried from Aswan, more than 150 kilometres (90 miles) up the Nile to the south, and extracted in a single colossal block – the whole statue would have originally weighed about 20 tonnes. — Neil MacGregor, A History of the World in 100 Objects, 350

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 350