Find the phrasal verb that is used in the sense of "to start a new activity that will be difficult and will take time" and write it down in full infinitive.
In the vibrant world of KikoRiki, there’s always something to discover or an adventure to embark on. Set in a fairy-tale landscape of meadows, mountains and more, the enchanted stories of KikoRiki teach valuable lessons about cooperation, creativity, core values, self-acceptance, support and communication. The colourful cast complement one another’s unique personalities. They are never belittling or insulting, and characters accept and respect each other for who they are.