Answer:
A certain wizard resided in a city made from this gemstone.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
How can you burn an apple, blueberry, rose and pumpkin without leaving any ashes but retaining the smell of it?
What is weightless but it needs two person to hold it?
I can only be played on a windy day