Moreover, recent research on obsidian tools found at Olmec sites has shown that some of the obsidian obtained by the Olmecs originated near Teotihuacán.
The find raised the possibility that Olmec pyramids might contain similar tombs of dignitaries, especially at well-known sites like la Venta.
这一发现提出了一种可能性奥尔梅克金字塔可能包含像拉文塔，尤其是在著名网站的类似墓葬。
3
The arrangement and pattern of the symbols suggest the ancient Olmec civilization was using written language roughly three centuries earlier than previously proposed.