Complex sentence: This idea is further developed in his Solaris building, which has an'ecocell' (a green integrative device first presented in his masterplan for Kowloon Waterfront, Hong Kong).
Split into simpler sentences: This idea is further developed in his Solaris building. The Solaris has an'ecocell' (a green integrative device first presented in his masterplan for Kowloon Waterfront masterplan, Hong Kong).