Education, Science Class, Two students in uniform at desk examining contents of test tube with open exercise books, pens and pencils in front of them.

Education, Science Class, Two school girls in uniform at desk examining contents of test tube with open exercise books, pens and pencils in front of them.

Male student wearing protective glasses and lab coat holding a test tube containing yellow liquid at an angle.

Sports Council Lab testing urine samples

Crystalized cocaine base displayed on palm of hand in illegal lab. in Vaupes Intendencia N W Amazon

William half-Tukano Indian whose father runs this illegal cocaine lab. Sieves base cocaine before processing to final product

Llanero worker in small N W Amazon forest cocaine lab. Prepares coca leaves adding sodium bicarbonate to leach cocaine alkaloid out of them as they "sweat" in sun for a day.A man wearing a hat making...

Magdalena Medio small cocaine lab. Workers stamp on leaves to mix in sodium bicarbonate and then petrol which leach out cocaine alkaloid. This lab. Was under ELN Ejercito de Liberacion Nacional guer...