Complex sentence: In order to boost its tourist industry, the authorities in Réunion heavily promote the country in France and at travel and tourism conferences throughout the world, and diversification of Réunion's tourist industry is a high priority.
Split into simpler sentences: In order to boost the tourist industry, the authorities in Réunion heavily promote the country in France and at international travel and tourism conferences. Diversification of Réunion's tourist industry is a high priority.