Unlimited...(2012)

Unlimited is a Mexican documentary series exploring the hidden world beneath Mexico City's Metropolitan Train system. Beyond its role as a vital transit network, the metro harbors remarkable stories: archaeological discoveries unearthed during construction, underground museums and hospitals that serve the city, and innovative engineering solutions that keep the system running. Each episode delves into the ingenuity, history, and human effort that sustain one of the world's largest subway networks. The series reveals how infrastructure becomes a vessel for culture, science, and survival in a sprawling metropolis.