Complex sentence: Nigel Marven and his two man crew shrink themselves to the size of a fingernail and explore the small worl of bugs, little do they know, these are like monsters at their minauturized state.
Split into simpler sentences: Nigel Marven and his two-man crew shrink themselves to the size of a fingernail and explore the small worl of bugs. Little do they know, these are like monsters at their minauturized state.