Complex sentence: A second memorial, placed by family members from Asia and Europe has been put on the slopes below the place of accident.Approximatly 30 years later Martinair added there a plaquette with only the eight names of the crew.
Split into simpler sentences: A second memorial, placed by family members from Asia and Europe, has been put on the slopes below the place of accident. Approximately 30 years later Martinair added there a plaquette with only the eight names of the crew.