Great work, both the tank and the ground work. The composition is very imaginative, with all of the crew visible from the various hatches. The whole thing gives a strong impression of a tank in summer, hot and dusty and everyone keen to get a breath of fresh air.
It is not an easy job to put figures in the left and right door of the turret. To let it look live like. Your chosen multipose Preiser figures are the best choice for that.