Questions - opinons please

Apologies if this has already been covered?! Some questions and ideas if you please. I might be reading too much into this but the film has offered many questions!! I'll provide the references links at the bottom. [b]1. The Earth murals show a giant pointing to the stars. This must mean that the Engineers revisted Earth. However, why point to a military installation (Lv223) and not their own planet?[/b] Ancient Sumerian texts describe Earth was in dispute. Were the Engineers at war with a brother race? Did one race create life on Earth and the SJ at the end of Prometheus recognise humans as the offspring of their enemy and why they wanted to destroy Earth? The Engineer at the beginning looked different to the SJ at the end; the latter looked modified, especially the neck (it didn't look like part of the suit) [i]Drawings of space beings and spacecraft adorn many cave walls, and many ancient documents record the actions of these gods who came from the sky. [/i] [b]2. What were the Engineers running from? Why did they not evacuate Lv223? Why did they remain in cryo?[/b] Was it a containment breech? It couldn't have been against Aliens as they would have used their acid to break in. Was this a war with other 'gods'? [i]The Apex race allowed pollution and eventually nuclear war but a small number of inhabitants secured themselves underground[/i] In cryo? Was there a nuclear war on Lv223? [b]3. Who were the Engineers?[/b] Titans? Giants/Nephilim? Apexians - a race that survived underground after polution and war, they became sterile, and reduced in size due to living underground. Is this why they created life? Is this why they look smaller than the SJs? Were they at war with their brothers? [b]4. What is the black liquid?[/b] Obviously, it modifys DNA. Is it natural? A weapon? [i]Planets were chosen to house these new races. As these planets naturally began to develop primate life, the Founders seeded these developing primates with plasmic energy on meta-atomic levels within their DNA structure.[/i] Plasmic energy is black liquid? [b]5. Why did the Engineers wear the SJ suit?[/b] Was it just a space suit? Was it armour? Was it living? [i]During many of the Egyptian dynasties it was quite common to have a visitation from a Sirian in the disguise of one of their gods. These "costumes" made it easier for the Egyptians to honor their presence, and often the visitations triggered memories of the very early days when the "gods" walked openly upon Earth. [/i] [b]6. It is representative of the idea that "parents" create "children" in their own image. Could this be why the Engineers created humans in their form?[/b] David spoke of this and why he was made to look human so it was easier for humans to communicate and cope with. [b]7. Why Lv223?[/b] [i]The Human Genome contains 223 genes that do not have the required predecessors on the Genomic Evolutionary Tree. They are alien to that ‘tree’. And we acquired them not through gradual evolution, but as a sudden insertion of genetic material.[/i] Is this a coincidence or injoke clue since DNA is a key part of the film? Perhaps I'm reading too much into this but I feel there are biblical and Earth/alien theories that are linking into this film. References - [url]http://www.bibliotecapleyades.net/vida_alien/alien_prislira_eng.htm#3_-_The_Womb_of_Lyra[/url] and [url]