China move troops in North Korea border

【What's going on with Chinese troop movements on North Korea's border】 | http://www.businessinsider.com/china-troop-movement-north-korea-border-2017-4?IR=T&nr_email_referer=1&utm_source=Sailthru&utm_medium=email&utm_content=BISelect&pt=385758&ct=Sailthru_BI_Newsletters&mt=8&utm_campaign=BI%20Select%20Weekend%202017-04-15&utm_term=Business%20Insider%20Select%20-%20Engaged%2C%20Active%2C%20Passive%2C%20Disengaged&r=US&IR=T