Answer:
What does a WW1 Trench, A Submarine and a Popular Phone App all have in common?
A certain wizard resided in a city made from this gemstone.
Whiling away the hours of flowers, Walking through fields of gold. Preening and pruning in lights fading hours, For petals to freeze in the cold. What is it?
I am always in front of you, but you will never see me. What am I?
Bright as diamonds, Loud as thunder, Never still, A thing of wonder.
Why is the letter B always cool?