Local news video showing the parking garage being built:
https://v.qq.com/x/page/q0867agh90m.html
At the end of the video it shows the theme park but I think that footage is from a previous news report.
Also, you can listen to Tom Mehrmann, president and general manager of Universal Beijing Resort, be interviewed on a Singapore radio station here: https://omny.fm/shows/money-fm-893/read-with-michelle-martin-tom-mehrmann-taming-the
Most of the interview is about his time at Ocean Park Hong Kong but Universal Beijing is mentioned towards the beginning and end.