While planning for a new settlement in a desert climate region, which one of the following design criteria with climate strategy will be best suitable?

Buildings should be placed in such a way with more open space all around to allow for free air movement, layout structure loose and scattered

Buildings should be continuous, densely grouped, with narrow openings and provide sheltering effect against winds.

Buildings to allow for more cross ventilation, free layout, tend to merge with nature.

Buildings shall be planned around bigger open spaces, courtyard type planning with bigger openings for more air circulation / movement.