(S (S (BASENP (NNS Buses)) (VP (VP (VP (VBD took) (BASENP (NNS viewers))) (PP (IN from) (NP (BASENP (DT the) (NN car) (NN park)) (ADVP (RB below))))) (PP (TO to) (NP (BASENP (NN top)) (PP (IN of) (BASENP (DT the) (NN dam) (NN wall))))))) (PERIOD .))