Source of the Amazon River the Mantaro. Explorers and scholars have identified each of the three rivers as being the source of the Amazon under one of the three definitions. The Mantaro is the most distant upstream point; the Maraňón is the main stem of the Amazon; and the Apurímac is the most distant source with an uninterrupted flow of water. The Amazon River is the largest river in the world in terms of its discharge into the Atlantic Ocean and either the longest or second longest river in the world, contending with the Nile River for that honor. More than from its mouth, upstream
Bridges and tunnels across the Yangtze River was lowered to . Truck traffic had to be re-routed to neighboring provinces. In 2012, a crack was discovered in one girder of the Luzhou Yangtze River Bridge, leading to bridge closure and emergency repairs. Bridges over the Yangtze including some of the longest and tallest bridges in the world. Bridges and tunnels across the Yangtze River The bridges and tunnels across the Yangtze River carry rail and road traffic across China's longest and largest river and form a vital part of the country's transportation infrastructure. The river bisects China proper from west to east, and every major north-south bound