Swimming has been known amongst humans since prehistoric times; the earliest record of swimming dates back to Stone Age paintings from around 7,000 years ago.
Swimming has been known amongst humans since prehistoric times; the earliest record of swimming dates back to Stone Age, from around 7,000 years ago.
Swimming has been known amongst humans since prehistoric times; the earliest record of swimming dates back to Stone Age, from around 7,000 years ago.
이 텍스트를 단순화: Swimming has been known amongst humans since prehistoric times; the earliest record of swimming dates back to Stone Age paintings from around 7,000 years ago. 산출: