Residents march during the closing ceremony of the "Congress for Peace" in Bogota, capital of Colombia, on April 22, 2013. The "Congress for Peace", organized by the Congress of the People, and attended by some 20,000 people and delegates from 16 countries and regions, ended Monday with a proposed social agenda aimed at finding a solution to the armed conflict in the country, according to local media. (Xinhua/Jhon Paz)

Residents march during the closing ceremony of the "Congress for Peace" in Bogota, capital of Colombia, on April 22, 2013. The "Congress for Peace", organized by the Congress of the People, and attended by some 20,000 people and delegates from 16 countries and regions, ended Monday with a proposed social agenda aimed at finding a solution to the armed conflict in the country, according to local media. (Xinhua/Jhon Paz)

Residents take part in the closing ceremony of the "Congress for Peace" in Bogota, capital of Colombia, on April 22, 2013. The "Congress for Peace", organized by the Congress of the People, and attended by some 20,000 people and delegates from 16 countries and regions, ended Monday with a proposed social agenda aimed at finding a solution to the armed conflict in the country, according to local media. (Xinhua/Jhon Paz)

Residents march during the closing ceremony of the "Congress for Peace" in Bogota, capital of Colombia, on April 22, 2013. The "Congress for Peace", organized by the Congress of the People, and attended by some 20,000 people and delegates from 16 countries and regions, ended Monday with a proposed social agenda aimed at finding a solution to the armed conflict in the country, according to local media. (Xinhua/Jhon Paz)