Complex sentence: The next morning in the garden, as Markus plays hide-and-seek with Nathalie, he imagines her in various phases of her life in that garden, and hides amongst the many "hers".
Split into simpler sentences: The next morning in the garden, as Markus plays hide-and-seek with Nathalie. He imagines her in various phases of her life in that garden, and hides amongst the many "hers".