 Turning a corner of the Mazza Gallerie into a women's tennis store, I was startled to see ...
( ( ( Turning ( ( a corner ) ( of ( the ( Mazza Gallerie ) ) ) ) ) ( into ( ( a ( women 's ) ) ( tennis store ) ) ) ) ( , ( I ( ( was ( startled ( to see ) ) ) ... ) ) ) )
(ROOT (S (S (VP (VBG Turning) (NP (NP (DT a) (NN corner)) (PP (IN of) (NP (DT the) (NNP Mazza) (NNP Gallerie)))) (PP (IN into) (NP (NP (DT a) (NNS women) (POS 's)) (NN tennis) (NN store))))) (, ,) (NP (PRP I)) (VP (VBD was) (VP (VBN startled) (S (VP (TO to) (VP (VB see)))))) (: ...)))
I turned the corner from the Maxxa Gallierie and walked into a tennis store. 
( I ( ( ( ( ( turned ( the corner ) ) ( from ( the ( Maxxa Gallierie ) ) ) ) and ) ( walked ( into ( a ( tennis store ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VP (VBD turned) (NP (DT the) (NN corner)) (PP (IN from) (NP (DT the) (NNP Maxxa) (NNP Gallierie)))) (CC and) (VP (VBD walked) (PP (IN into) (NP (DT a) (NN tennis) (NN store))))) (. .)))