old railway and border bridge across the sixaola river between costa rica and panama

architecture border bridge caribbean coastal commerce construction crossing entry exit historic hot humidity landscape line metal nature old outdoor river baltimorebridge black bordercrossingpanamacostarica centralamerica cityscape coast costarica decay engineering iron latinamerica modular narrowgauge panama panamacostarica panamacostaricaborder perspective photo abandoned america background beautiful central costa culture empty famous landmark railway