Video of PIL Advisory Group expert Dr. Gbenga Oduntan (University of Kent) on spatial delimitation between airspace and outer space. Dr. Oduntan  has published a number of articles and books on space law including Sovereignty and Jurisdiction in Airspace and Outer Space: Legal Criteria for Spatial Delimitation, published by Routledge-Cavendish in 2012 and Progressive, technological, policy and legal regime for the utilization of space solution for effective peace human safety and national security, published by Obafemi Awolowo University Press in 2013.