On the occasion of the holy month of Ramadan, professor Kechbar Mohamed Saifallah, director of the scientific and technical research center for arid regions (CRSTRA), extends his warmest greetings and best wishes to the entire center's team, praying to the Almighty that this sacred month be one of goodness and mercy, illuminating hearts with faith, and granting strength and determination to continue your scientific and professional journey. May this Ramadan bring you and your loved ones health, happiness, and success. Ramadan Mubarak, and may each year find you in good health.