 The monuments of Toniná tend to be smaller than those at other Maya sites , with most of the stelae measuring less than 2 metres ( 6 @.@ 6 ft ) tall . The most important difference from monuments at other Maya sites is that they are carved in the round like statues , often with hieroglyphic text running down the spine . On the fifth terrace , in @-@ the @-@ round sculptures of Toniná 's rulers dominated two @-@ dimensional representations of defeated enemies . 
