sentences:  Today, the park still features more than 200 exotic tree and shrub species, including a wide variety of palm trees, laurels, cypresses, olive trees, and evergreen viburnum, among many others.In the summer of 1848, the palace and its grounds were enhanced by the addition of three pairs of white marble lions; this statuary was placed alongside the wide flight of steps climbing the terraces to the palace.Each of the statues, by Italian sculptor Giovanni Bonnani, is depicted in a varying pose – a pair of "sleeping lions" at the bottom of the steps, "waking lions" near the centre, and "standing Medici lions" at the top nearest the palace.