Reuben DeMunck captured GoPro video as he and a group of people launched themselves into the Moore River in Guilderton, Western Australia, using a makeshift Slip ’N Slide to celebrate Australia Day.Australians who had the day off on January 26 gathered along beaches and rivers to enjoy the water and building creative Slip ’N Slides. Credit: Reuben DeMunck via Storyful