pointing his camera through the smeared windshield of his rental car 
(ROOT (S (VP (VBG pointing) (NP (PRP$ his) (NN camera)) (PP (IN through) (NP (NP (DT the) (VBN smeared) (NN windshield)) (PP (IN of) (NP (PRP$ his) (JJ rental) (NN car))))))))
(ROOT (S (VP (VBG ) (NP (PRP$ ) (NN )) (PP (IN ) (NP (NP (DT ) (VBN ) (NN )) (PP (IN ) (NP (PRP$ ) (JJ ) (NN ))))))))