![](http://www.ecns.cn/hd/2020/05/19/71d380eb96684b9f9b7bdb044a3b68fc.jpg)
Itaipu dam releases water to aid Argentina and Paraguay grain shipments in Foz do Iguacu, Brazil, May 18, 2020. (Photo/Agencies)
The Itaipu hydroelectric dam, a joint venture between Brazil and Paraguay releases water through its spillway to raise low water levels in the Parana river, a key waterway for Argentinian grain shipments.
![](http://www.ecns.cn/hd/2020/05/19/2589fc50d74546f7b95c284145440e00.jpg)
Itaipu dam releases water to aid Argentina and Paraguay grain shipments in Foz do Iguacu, Brazil, May 18, 2020.(Photo/Agencies)
![](http://www.ecns.cn/hd/2020/05/19/859635e72ca3480ca34080683467012c.jpg)
Itaipu dam releases water to aid Argentina and Paraguay grain shipments in Foz do Iguacu, Brazil, May 18, 2020. (Photo/Agencies)