More than 1,7000 Hondurans were walking and hitchhiking through Guatemala on Wednesday in hopes of reaching the United States.The fresh wave of migrants comes as the US government remains shut over Trump's demands for a wall between the US and Mexico, citing a 'humanitarian crisis' and the need for stronger security.About 6,000 Central Americans reached Tijuana in November amid conflict on both sides of the border over their presence in the Mexican city across from San Diego. Mexico has issued humanitarian visas to about 2,900 migrants from last fall’s caravan, many of whom are now working legally there with visas.