8,000 Balloons Retrace Site of Berlin Wall

The video covers three main topics: severe flooding in Haiti and the Dominican Republic, resulting in significant damage and casualties; the breakdown of a ceasefire in Ukraine with renewed fighting near Donetsk; and a commemoration event in Berlin marking the 25th anniversary of the fall of the Berlin Wall, featuring a visual recreation with balloons.

What event was commemorated with the release of balloons in Berlin?

When was the border between East and West Germany opened?