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Metropolis XII World Congress – Global challenges : major cities in action
June 19, 2017 - June 22, 2017
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![XII-Congres Mondial Metropolis](https://ville.montreal.qc.ca/idmtl/en/wp-content/uploads/sites/2/2017/05/xii-congres-mondial-metropolis.png)
Themes : Smart Cities, Major cities and environment, mobility and urban planning, collaborative economy, circular economy…