How do you open sootopolis gym doors in Pokemon emerald?

first you have to defeat Aqua\Magma and Then go to sootpolis city you wiil see Kyogre\Groundon Go to sky piler and go to the top dont worry they will be no cracks go up the stairs and go near Rayquaza It will fly . fly from the Rooftop use fly and go to sootopolis there there you will see amazing screenshots of Rayquaza Both Kyogre and Groundon Will go away and Rayquaza Fly away first you have to defeat Aqua\Magma and Then go to sootpolis city you wiil see Kyogre\Groundon Go to sky piler and go to the top dont worry they will be no cracks go up the stairs and go near Rayquaza It will fly . fly from the Rooftop use fly and go to sootopolis there there you will see amazing screenshots of Rayquaza Both Kyogre and Groundon Will go away and Rayquaza Fly away