多选题To enhance customs cooperation,countries will raise tariffs多选题The core area of the 21st-Century Maritime Silk Road is多选题The Initiative is open to some related countries and international and regional organizations多选题Which is not included in the capital pools and financial institutions for BRI ?多选题The economic corridor which connects China with Indochina is多选题According to Chinese Foreign Minister Wang Yi, the Initiative is多选题Which Province is not included in the 21st Century Maritime Silk Road?多选题The Second Belt and Road Forum was held in多选题Ony public funds will be encouraged to participate in the construction of key projects多选题The economic corridor which connects China and Europe is多选题To promote social and cultural exchanges, countries promise to establish joint laboratories and promote personnel exchange programs判断题Which three major continents will the routes of the Belt and Road Initiative run through?