Australian swimmers spoke to the media on Monday after completing the race in the Tokyo Olympic games, with the team's star Emma McKeon bringing the nation seven medals in a single year. McKeon became the nation's most decorated Olympian and the first woman to win seven medals in swimming as she won two more gold medals in the Tokyo race on Sunday.

Although they've never been to Cape Verde, siblings Jayla and Troy Pina will represent their mother’s home country at the 2021 Tokyo Olympic Games. Troy, who’s 22, will compete in the men's 50m freestyle; Jayla, who’s 16, will compete in the women's 100m breaststroke. Together they form the first Cape Verdean swimming team to compete in the Olympics.

Romeo Mihaly is just 13 years old, but is already training to become a world-class swimmer. His family has his back, and Mihaly has won 37 medals at national and international competitions. The talented swimmer has his heart set on becoming an Olympian.

Berliner Leo Kuchwalek is 102 years old. When he retired, forty years ago, he qualified as a swimming instructor and has been teaching children to swim ever since. It keeps him fit and active, and the kids enjoy having a swimming teacher who is so old.

On this week's eco@africa, we check out an NGO’s efforts to ensure swimming with dolphins in Zanzibar is sustainable, a museum for special trees and saving vultures in South Africa.