BBC Four

Professor Richard Fortey investigates the remains of an ancient volcanic lake in Germany where fossils of early mammals and giant insects have been found.

Professor Richard Fortey investigates the remains of an ancient volcanic lake in Germany where stunningly well-preserved fossils of early mammals, giant insects and even perhaps our oldest known ancestor have been found.

Among the amazing finds are bats as advanced and sophisticated as anything living today, more than 50-million-years-later; dog-sized 'Dawn' horses, the ancestor of the modern horse; and giant ants as large as hummingbirds.

to the BBC, or Register to add this.

to the BBC, or Register