Complex sentence: The park is partly under ongoing construction, and partly already working, and today hosts several hi-tech corporations such as Ericsson and Siemens, in addition to a robotics laboratory of the Italian Institute of Technology (IIT).
Split into simpler sentences: The park is partly under ongoing construction, and partly already working. At the moment, it hosts several hi-tech corporations such as Ericsson and Siemens, in addition to a robotics laboratory of the Italian Institute of Technology (IIT).