Detailed text transcripts for TV channel - DW - 20171009:08:49:00
Went to. the beginnings of the sprawling underground network date back to the early one nine hundred sixty s. the first few links were funded by private investors the opening of the metro accelerated its expansion gradually it became the largest underground complex in the world. montreal has meanwhile become a model for many other cities that's also due to climate change with extreme weather conditions becoming the norm business is convinced that subterranean complexes will be key to preserving the economic stability of big cities climates. use impact on many many countries in the way the city...