A man’s journey across China’s congested highways to propose marriage has captured the internet’s attention after he posted a simple red banner in the back window of his car urging fellow drivers to give way.In February, many netizens shared a heartwarming scene they witnessed while driving.Videos posted online showed the banner which read: “Brothers, let me go first. I am heading to Guizhou to propose to the love of my life.”Tan’s car, with the red banner showing, gets up a head of steam as he continues on his romantic mission. Photo: DouyinThe vehicle’s owner, surnamed Tan, 26, from Jiangxi province…