Blue sky background with cosmos field and rainbow is a vector of amiyao author. This vector includes Cosmos, Rainbow, Cosmos field, autumn, blue sky tags. To download vector (JPG, SVG, PNG, AI/EPS types) you need to register the account and log in.
As the free account, you can download for free with some limits.
As the premium account, you can download unlimited, no waiting time, etc. Enjoin premium membership at here