Father lying on grass in a park playing with his two kids

outdoors day three people toddler kids children young adult adult 30s millennials man boy girl mixed race person caucasian black african american ethnicity one parent father dad fatherhood childhood daughter son siblings sister brother free time lying tickling fun affection relaxing looking at each other togetherness bonding embracing happy smiling sunlight park nature trees grass garden close up low angle selective focus slow motion handheld