Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on July 28, 2017. (CTK Photo/Zdenek Kiesenbauer)

Euphorbia grifithii Dixter, Flower beds in the Dendrological Garden in Pruhonice

Euphorbia grifithii Dixter, Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on May 31, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Euphorbia grifithii Dixter,Flower beds in the Dendrological Garden in Pruhonice

Euphorbia grifithii Dixter,Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on May 31, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on July 28, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on July 28, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on August 27th, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on July 28, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on August 27th, 2017. (CTK Photo/Zdenek Kiesenbauer)

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice

Flower beds in the Dendrological Garden in Pruhonice, Czech Republic on June 24, 2017. (CTK Photo/Zdenek Kiesenbauer)

Aboriginal fire-stick farming

Aboriginal fire-stick farming

People participate in a workshop on Aboriginal fire-stick farming in Bungendore, Australia, on July 25, 2020. Some experts say the practice -- burning undergrowth and dry leaves in small-scale controlled fires to clear the land -- is an effective measure to control and reduce the increasingly intense summer bushfires in the country.

Aboriginal fire-stick farming

Aboriginal fire-stick farming

People participate in a workshop on Aboriginal fire-stick farming in Bungendore, Australia, on July 25, 2020. Some experts say the practice -- burning undergrowth and dry leaves in small-scale controlled fires to clear the land -- is an effective measure to control and reduce the increasingly intense summer bushfires in the country.

Aboriginal fire-stick farming

Aboriginal fire-stick farming

People participate in a workshop on Aboriginal fire-stick farming in Bungendore, Australia, on July 25, 2020. Some experts say the practice -- burning undergrowth and dry leaves in small-scale controlled fires to clear the land -- is an effective measure to control and reduce the increasingly intense summer bushfires in the country.

Aboriginal fire-stick farming

Aboriginal fire-stick farming

Den Barber, an indigenous man and former national park ranger, explains Aboriginal fire-stick farming during a workshop in Bungendore, Australia, on July 25, 2020. Some experts say the practice -- burning undergrowth and dry leaves in small-scale controlled fires to clear the land -- is an effective measure to control and reduce the increasingly intense summer bushfires in the country.