听力原文：This is William Marshall with this hour's top story. The City of Plasburg today has announced plans to create a brand new sports complex in downtown Plasburg. According to Mayor Jackson Tuttle, the $50 million project will begin next August and should be completed in 30 months. The sports complex will feature an 11,000 seat hockey arena, a 30,000 square foot gymnasium and four additional fitness facilities. Located near the Plainsview Bridge, the complex will complement the new football and soccer field that opened last May. The complex is expected to be called the Walden Center after Plasburg's first mayor Henry Walden. An estimated 500 full-time jobs are expected to be created from the new complex. The complex is also said to be a necessity should the city hope to host the Commonwealth Games six years from now. This is William Marshall for 1090 AM News. What is the main topic of the news?