boy boys children lake walk water wet feet wwalking beach boot feet foot footprint print sand smooth step stride towards track trail walking wet azure clothed clothing coastal-waters cold cool distance distant family father foaming froth happy holding-hands legs mother natural-environment nature ocean parents people-on-beach seashore security shadows shorts son splashing standing sunlight sunshine swirling testing together tops trust trying-it waves annoyance appearance big-eyes bug bugs colors colours common creature edge edges eyes flies fly hairy insect insects light pest reflection shadow shiny transparency transparent variety wings baby-buggy beach-sands beach-shelter beach-tent buggy cabana covered covering dune-grass dunes enjoyment footprints fun hot outdoors outside peaceful pushchair pusher quiet recreation recreational-structure relaxation relaxing sandy sea seaside shade-structure shelter stroller summer sun sunshade toddler view views warm