Which innovative geographical packaging solution did Coca-Cola introduce in 2015 specifically designed for challenging mountainous regions with limited transportation infrastructure?

Packaging design often reflects regional geography and environmental concerns. Innovative brands are increasingly adapting their product packaging to address local geographical challenges while maintaining their brand identity. This poll tests your knowledge about a groundbreaking geographic-specific packaging innovation that changed how products are marketed in challenging environments.

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The Coca-Cola Mountain Cube - stackable square bottles that use 15% less space during transportation on narrow mountain roads
The Coca-Cola GeoThermal Bottle - packaging that maintains optimal temperature using natural mountain spring properties
The Coca-Cola Sharing Can - a twistable can that splits into two smaller portions for sharing during hiking expeditions
The Coca-Cola Elevation Series - bottles with pressure-equalizing caps that prevent leakage at different altitudes