sentences:  The prospect of moving the tournament is unlikely as over the following years the Melbourne Park precinct was upgraded with enhanced facilities for players and spectators.Notably a retractable roof was placed over Margaret Court Arena, making the Open the first of the four Grand Slams to have retractable roofs available on three of their show courts.The player and administrative facilities, as well as access points for spectators, were improved and the tournament site expanded its footprint out of Melbourne Park into nearby Birrarung Marr.