The physical infrastructure includes more than NUMBER@1 major buildings , with a combined area of more than NUMBER@2 million square feet -LRB- NUMBER@3 acres or NUMBER@4 km ² -RRB- .

Their are more than NUMBER@1 large buildings , with a more than NUMBER@2 million square feet -LRB- NUMBER@3 acres or NUMBER@4 km ² -RRB- .
