Unfair to judge by modern standards Looking at things on a still larger scale, Chang Kuang-chih has proposed a hypothetical "Mayan / Chinese cultural continuum" to explain the many similarities between Asia and the Americas.
以今人心度古人腹張光直則從更大的尺度，對於亞美之間諸多的相似性，提出一套「馬雅﹘中國文化連續體」的假說。