beware black board drive move pictogram prohibition red ride round sign skate skateboard suppression symbol warning white adults bathing beach board riding board surfing boards children distance distant expanse fun kids leisure lifeguard lifeguards numerous ocean open area outdoors outside people public rescue safety safety flags sand seashore sport sporting sunbathing surf swimming water waves wide-open space balance Bali beaches break breaking brine briny crash crashing excitement exhilarated fishmonk foam foamy froth green indonesia kuta malibu natural nature oceans power powerful riding sandy sea seas stripe striped stripes surfer surfing wave