In recent days, the International Academic Journal, Scientific Progress, published a study of the existence of liquid water in Mars. Based on the observation data of the “best melt” Mars vehicle, our scientific staff found, for the first time, that the sand dunes of the “best melt” landing area had features such as shell, turtle fracture, stap, multilateral ridges, spectacular water traces, and that the sand dunes surface contained water-containing minerals such as sulphate, protein stone, an...