In Black River Falls the non infected people could be around the infected people but if they were too close to them they could get it. So they used gas mask to be close to the infected people. It was an air born illness so that why they used gas mask.
The best famous horse in Norse mythology is Sleipnir, The son of Loki. After Loki gave birth to him, he made Sleipnir a gift to Odin. Sleipnir has 8 legs& according to Snorri he's grey in color. Only the Norse people can come up with this stuff!
Something about merging images together to create stunning visuals has always had my interest. I think because there are infinite possibilities, leaving you to have you own idea when it comes to making one yourself.