translation.en: On a side note, there is surprising degree of similarity in the earliest rock art found all the way from France and Spain to Indonesia and Australia.
translation.zh: 顺便说一下， 在法国和西班牙发现的早期岩壁艺术 同在印度尼西亚和澳大利亚发现的岩壁艺术之间， 有着惊人的相似。