cucuta colombia thousands impoverish venezuelans cross border colombia every day sell cheap basics oranges candle desperate attempt earn hard currency amid country worsen economic collapse porous roughly 2,220-kilometer 1,380-mile frontier years rife smuggle due massive differences price either side due control impose venezuela socialist government past three months spike venezuelans migrate border area spend days go door-to-door try sell low-cost goods colombia hundreds vendors sleep streets venezuelan border town san antonio surge hawkers colombian side stoke anger among local shopkeepers albert rodriguez 22 spend nights plastic sheet streets san antonio since move venezuela inland agricultural state lara month ago sell coffee colombia still able send money home help newborn daughter tough many venezuelans feel like cry impotent say rodriguez say hop eventually migrate central colombia think job prospect good flood vendors evidence fourth year recession foment malnutrition disease violent crime tear venezuela social fabric apart also highlight colombia already home venezuelan migrants south america remain particularly vulnerable crisis colombian government respond request comment come daybreak venezuelan hawkers jostle hours get spot bus travel colombian border cross teem frontier foot many silently pray national guard demand payment let goods safely cucuta vendors disperse different bus take across colombian border city low-income hillside neighborhood la libertad around hundred venezuelans ring doorbells offer mayonnaise insecticide cereal box sales often brisk price roughly half colombian store due venezuela depreciate bolivar currency worry colombian shopkeepers demand border close protect businesses colombians also time fret influx venezuelan vendors could lead crime marlon carrillo 21-year-old venezuelan abandon university study start sell fruit colombia three months ago say locals slam doors face fear hard pay sin others say carrillo crisscross cucuta eight hours day sell lemons strawberries bananas pineapples cram backpack want progress study work go let family die hunger say carrillo support three nephews sister die bone marrow failure desperate venezuelans peddle war door-to-door colombia survive