Colombian anti-riot police on horse stand guard in front of the Congress building in Bogota's central square as part of the security detail, at the start of a 24-hour nationwide strike by state workers, March 16. Thousands of state workers are due to congregate in the square later Thursday to protest the government's freemarket economic policies.

JMG

A Colombian soldier stands guard in front of the Congress building in Bogota's central square as part of the security detail at the start of a 24-hour nationwide strike by state workers, March 16. Thousands of state workers are due to congregate in the square later to protest government's freemarket economic policies.

JMG