in 2004 the ministerio de cultura y deportes ("ministry of culture and sports") of guatemala and the agencia española de cooperación internacional ("spanish agency for international cooperation") launched a joint project to investigate the plaza and restore its buildings. the project had fifty workers at its disposal and the programme of investigations began with stratigraphic excavations in 2004, followed by excavation of the southern range in 2005. in 2006 the seven temples themselves were excavated and the project excavated the triple ballcourt in 2007.