[contentcards url=”https://www.theepochtimes.com/mkt_app/sending-a-message-to-communist-china-one-mile-at-a-time_3441792.html?v=ul” target=”_blank”] BY EVA FU FLUSHING, N.Y.—Zhang Jian’s face lit up as he walked out of Kissena Park. He waved toward the stream of…