b'PHOTOGRAPHY1ST PLACEJontana Allkja, University of Liverpool - Biofilm RiverNatural biofilms at Yellowstone National Park, formed over millions of years.2ND PLACEAmy Foo Guest, University of Liverpool - Connectivity and Co-existence in Mixed BiofilmThis image shows two bacterial species peaceful co-existing and forming a complex biofilm community. The image has been false-coloured to represent the two different species.3RD PLACEJennifer Dewing, University of Southampton - Biofilm Bubble LandscapeMacro image of bacteria and mould left to grow on a cup of tea for several weeks. Biofilms are complex communities of microbes that are bound by an extracellular macromolecular matrix, which they produce themselves. Biofilms offer protection to the microorganisms embedded in them, enables sharing of nutrients and metabolites, and increases their resistance to environmental stress.53'