The largest structure in the city is the Sprout Tower, a wobbling pagoda that is taken care of by Sages who train Pokémon of their own. After the player defeats the last Sage, they will receive HM05 (Flash). Besides the Sages, Bellsprout and Rattata can be encountered inside the tower, and Gastly can be found at night.
Earl's Pokémon Academy
Earl's Pokémon Academy is located on the eastern side of the city. This institution is where aspiring Trainers learn how to raise and care for their Pokémon.