Complex sentence: "Only looking into the original aspect of the building, this is one of the most important concert halls built in the last 100 years", comparing it to the Walt Disney Concert Hall, in Los Angeles, and the Berliner Philharmonie.
Split into simpler sentences: Only looking into the original aspect of the building, this is one of the most important concert halls built in the last 100 years. He compares it to the Walt Disney Concert Hall, in Los Angeles, and the Berliner Philharmonie.