Well, every religion has it is Rituals & Traditions. In The pre - Islamic era, worshiping people used to circle around Kaaba undressed, but when islam comes, it was regulated with high respect to Allah, circling with the Towels covering the body, as Kaaba is seen as the Centre of the universe, and aligned with the The divine throne. Inner Kaaba used to be full of Idols & Statues during pre - Islamic era, those were broken as islam belief doesn’t accept or recognize Idols or statues, so Kaaba is supposed to be empty from inside, where we can pray to any Direction.

Tobe Al-Humeiri The King of Yemen is the first of its full kasah in the Jaahiliyyah

You can not Saudi Arabia's regulations require Haj to be registered with an office Anda tidak boleh Peraturan Arab Saudi memerlukan Haj untuk didaftarkan di pejabat

There is nothing inside the Kaaba. However there are stones at the corners of Kaaba that have huge significance. They are said to be descended from Paradise. Technically "Hateem" (Curved white wall around Kaaba) is also part of Kaaba and it is very beneficial religiously to pray in that area. Like DrJsaleh mentioned distinguished figures are given access for Kaaba and they can read nawafil in Kaaba.

There are wheel chair men for help they charge for Tavaf,safa marvah sahi 100 riyals.on second floor near King Abdul Aziz gate you find Battry opreted cart for 50 riyals,which is very easy to oprete.there are hundreds of it.

Yes she can inshaallah