The river Yangtze flows for 6,300 km, more than halfway across China. Its river basin is around 1.8 million sq km - almost a ...
There are a total of 7 continents in the world, which also includes Europe and Asia. The largest continent is Asia, while the ...
Creatures now are found only in Southeast Asia's Mekong River but in the past inhabited length of 4,900-kilometer waterway ...