身穿獸皮、手持木矛的穴居人在岩石平原上，一鏡到底的子彈時間自拍

提示詞

FORMAT: 15s / ONE CONTINUOUS SHOT / BULLET TIME SELFIE
PARAMS:
<CHARACTER>: a caveman in primitive fur clothing, athletic and alert, holding a wooden spear
<ENVIRONMENT>: an open rocky plain with dust, scattered bones, and harsh daylight
<UNEXPECTED_EVENT>: a