China Shanghai town city blocks of flats high-rise buildings city skyline Huangpu river flow Pudong evening travel traveling 1 septembre 2015 600 × 280 Témoignage de Cynthia Lebrun Safarian psychologue et professeur de mindfullness à Shangai BNNWGT China Shanghai town city blocks of flats high-rise buildings city skyline Huangpu river flow Pudong evening travel traveling