Conversation so far:
What are some famous poems written by charles baudelaire?
Charles Baudelaire most famous work, a book of lyric poetry titled Les Fleurs du mal
can you tell me anything interesting about Charles Baudelaire poetry?
what style were Charles Baudelaire poems written in?
Notable in some poems is Charles Baudelaire's use of imagery of the sense of smell and of fragrances, which is used to evoke feelings of nostalgia and past intimacy

Question: what were the majority of his poems about?
Self-contained rewrite: what were the majority of Charles Baudelaire poems about?