Simplify the following text for a Grade 5 native English-speaking person.
Original: London Bridge railway station is a central London terminal and London Underground station in the London Borough of Southwark , which occupies a large area on two levels immediately south-east of London Bridge and 1.6 miles ( 2.6 km ) east of Charing Cross .
Simplified: London Bridge station is a major railway and London Underground station in the London Borough of Southwark . It is immediately south-east of London Bridge and 1.6 miles ( 2.6 km ) east of Charing Cross .