Itaipú Dam

All these big waters mean hydroelectric potential. So we swapped one of nature's wonders of the world for an engineering one. It's very big and produces the most power thanks to the Paraná river. Bit hard to take interesting photos of!

Back to the pool for more swimming and news of shock celebrity deaths - yesterday it was Victoria Wood, today it was Prince.

Tonight we fly to Rio and we are both very excited.Read more