From bustling metropolises to tranquil old towns, the 4,350 km-long Lancang-Mekong River runs through six countries in Asia, including China, Myanmar, Laos, Thailand, Cambodia and Vietnam. /CFP Photo

Featuring rich natural resources and serving as an important trade route linking communities on its banks, the lifeblood of the region has brought prosperity and opportunities to its nations. /CFP Photo

In March 2016, the six countries launched the Lancang-Mekong Cooperation (LMC) mechanism allowing for cooperation in areas like regional security, trade, clear energy, infrastructure, ecosystem protection and people-to-people exchanges. /CFP Photo

In January, the six states approved a Five-Year Action Plan (2018-2022), charting a blueprint for the sub-regional cooperation and the regional integration. /CFP Photo

What is your expectation for Lancang-Mekong cooperation? What will the river be like in 2022? /CFP Photo