The Mekong River is useful only for fish and hydropower. Navigation is limited by waterfalls and shoals. Irrigation is only suitable in the lower region and the river is being rapidly fished out.
The famous giant Mekong catfish has been almost extinct since 1970, long before the dam era.
In what will go down as one of the most stunning reversals of fortune in the history of global travel & tourism, the landlocked country of Laos has recorded the largest growth in arrivals to Thailand in the first quarter of 2014 over the same period of 2013.