China unveiled on Saturday the principles, framework, and cooperation priorities and mechanisms in its Belt and Road Initiative.
Denmark filed its application letter on Saturday, while Australia followed on Sunday, the ministry said in a statement.
The blueprint will boost practical cooperation in key fields such as infrastructure, said analysts.
The Eiffel Tower has gone dark briefly to mark Earth Hour, the campaign to raise awareness about climate change.
Mathias Cormann, Australia's finance minister, announced at a panel discussion during the Boao Forum for Asia on AIIB.
The Chinese government launched preparatory work for the evacuation of Chinese nationals from Yemen.
A former official and a businessman, suspected of bribery, were taken back to China Saturday.
The IOC evaluation commission will release a comprehensive assessment report on June 1.
Premier also meets with President Widodo of Indonesia, encourages investment by Chinese.
President Xi Jinping argued Saturday for strong China-led efforts to promote Asian economic and political ties at Boao Forum.