question_text: Mundo Perdido was influenced by an ancient Mesoamerican city located in a sub-valley of the Valley of Mexico, that is 40 km northeast of what modern day city?
decomposition: return ancient Mesoamerican city  located in  a sub-valley of   the  Valley of Mexico ;return #1 that Mundo Perdido was  influenced by ;return modern day city  that #2 is 40 km northeast of