Metal sculptures are renowned for their durability and aesthetic appeal, but their performance in fluctuating climates raises questions about thermal expansion. Metals like bronze, steel, and aluminum expand and contract with temperature changes, which can affect structural integrity over time. Artists and engineers address this by selecting metals with lower thermal expansion coefficients or designing sculptures with flexible joints to absorb stress. Proper installation techniques, such as allowing space for movement, also mitigate damage. Regular maintenance, like sealing and inspections, ensures longevity. Understanding these factors helps preserve metal art in diverse environments, balancing artistic vision with material science.