Complex sentence: After the I-Beam closed, the Park Masonic Hall, its former location, remained vacant for 10 years, was torn down, and an apartment house with retail at street level was constructed there in 2004.
Split into simpler sentences: After the I-Beam closed, the Park Masonic Hall remained vacant for 10 years. The former location of the I-Beam (the Park Masonic building) was torn down and an apartment house with retail at street level was constructed there in 2004.