This was one of the final stumbling blocks that the Raiders, Vegas and the State had to do prior to the NFL Owners voting on this matter come Jan.
Here's a video and renderings of what this stadium would look like. (Obviously a retractable dome, and even retractable side partitions too)
Here's a video and renderings of what this stadium would look like. (Obviously a retractable dome, and even retractable side partitions too)