sentences:  Although the Grupo Guacamaya seems to be a palace, La Joyanca lacks the clearly identifiable center characteristic of most archaeological sites in the central Petén.There are few sculpted monuments, no ballcourt, and scant signs of a strong, centralized royal dynasty comparable to those functioning at ancient Maya sites like El Peru or Tikal.Likewise, settlement in the area seems to have fluctuated, with longstanding occupied areas standing in stark contrast to communities like the small Gavilán Group, which seems to have been occupied for scarcely a generation.