Complex sentence: Two of his gardens are listed on the UNESCO Lists of World Heritage Sites: one at Bad Muskau, the other Babelsberg near Potsdam and both are considered high points of European 19th century landscape design.
Split into simpler sentences: Two of his gardens are listed on the UNESCO Lists of World Heritage Sites: one at Bad Muskau, the other Babelsberg near Potsdam. Both are considered high points of European 19th century landscape design.