a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

A barrier around the construction site on the Smetana Waterfront where Prague 1 Town Hall plans to pave the triangular grassy area with the maple tree, which must be cut down. It should also allow access to the path of the waterfront wall to Vltava river. Czech Republic, April 7, 2021. (CTK Photo/Libor Sojka)

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

A barrier around the construction site on the Smetana Waterfront where Prague 1 Town Hall plans to pave the triangular grassy area with the maple tree, which must be cut down. It should also allow access to the path of the waterfront wall to Vltava river. Czech Republic, April 7, 2021. (CTK Photo/Libor Sojka)

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

A barrier around the construction site on the Smetana Waterfront where Prague 1 Town Hall plans to pave the triangular grassy area with the maple tree, which must be cut down. It should also allow access to the path of the waterfront wall to Vltava river. Czech Republic, April 7, 2021. (CTK Photo/Libor Sojka)

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

a barrier around the construction site on the Smetana Waterfront, Silver maple, Acer saccharinum

A barrier around the construction site on the Smetana Waterfront where Prague 1 Town Hall plans to pave the triangular grassy area with the maple tree, which must be cut down. It should also allow access to the path of the waterfront wall to Vltava river. Czech Republic, April 7, 2021. (CTK Photo/Libor Sojka)