A staggering amount of water flows from the falls, which sit on the border of Argentina and Brazil. Depending on the time of year, it can be enough to fill five Olympic swimming pools per second.

[Photo provided to China Daily] In the northeast of Argentina, straddling the border with Brazil, sit the longest series of waterfalls in the world. A magnet for about 1.5 million visitors every ...

In the northeast of Argentina, straddling the border with Brazil, sit the longest series of waterfalls in the world. A magnet ...