Alumni and visitors of all ages flood on to campus for a second day of science in the sun.

Excitement continues at the Imperial Festival with interactive demonstrations from hundreds of scientists and zones dedicated to robots, superbugs, transport and the future

Sunday visitors can also take part in a workshop to create a new Paralympic sport, learn about tackling blast injuries, and enjoy exclusive performances from a cappella groups The Scopes and The Imperielles.

Read more about the day in the collection of photos and tweets below.