Complex sentence: She had grown beyond breastfeeding to like sweet potatoes and fruit-sicles, which Mei sometimes helped her finish; people spotted her on the Panda Cam picking up bamboo branches and sniffing them, though she had not actually started eating it yet.
Split into simpler sentences: She had grown to like sweet potatoes and fruitsicles, which Mei sometimes helped her finish. People spotted her on the Panda Cam picking up bamboo branches and sniffing them, though she had not actually started eating it yet.