With the rise of interest in the occult and pagan ideas in recent years you are likely to read New Age interpretations about how the cross in the circle is a symbol of the Sun that was worshipped by the Druids and that this symbol was appropriated by the Christians.
About Biomega. Biomega is a premium urban bicycle brand, peerless within its category. Biomega bike designs and develops bicycles, electric bicycles and related accessories.
A biome is just an invisible designation that covers a certain area of the map. What blocks are there is irrelevant, the biome designation is just an extra little tag over a chunk. Now in a newly generated map, that designation ALSO controls what blocks generate there.