Venezuelan Samuel Romero in Bogota, Colombia. The 21-year-old migrant logs on to Rappi, an app for cyclists to make deliveries in the traffic-clogged city of 8 million. (AP Photo/Fernando Vergara)
Venezuelan Samuel Romero pedals through Bogota, at the start of his work day. Initially, he was making almost $22 each day but his daily average has now dropped to $15. (AP Photo/Fernando Vergara)Venezuelan bicycle courier Samuel Romero and fellow Venezuelan couriers make sandwiches as they wait for delivery orders through Rappi in Bogota. (AP Photo/Fernando Vergara)Venezuelan couriers wait under a tree for messages from the Rappi app to make deliveries in Bogota. (AP Photo/Fernando Vergara)Bicycle couriers wait for messages from the Rappi app to take orders to clients in Bogota. (AP Photo/Fernando Vergara)Venezuelan bicycle courier Samuel Romero who works with Rappi gets ready to start his work day in Bogota. 'I am grateful to have some work,' says Romero. (AP Photo/Fernando Vergara)Venezuelan bicycle courier Luis Tarre, 60, kisses the head of his 20-year-old son Raul as they wait for Rappi delivery orders in Bogota. (AP Photo/Fernando Vergara)Venezuelan bicycle courier Luis Tarre, 60, reviews his cell phone as he waits for a Rappi delivery in Bogota. (AP Photo/Fernando Vergara)Venezuelan bicycle courier Luis Tarre, 60, takes an order to a customer in Bogota. (AP Photo/Fernando Vergara)Venezuelan Rappi bicycle courier Luis Tarre, 60, embraces his wife Dingle Gonzalez before they start their workdays in Bogota. (AP Photo/Fernando Vergara)