Williams Transco Central Penn Line South. Williams Transco Central Penn Line South. Unlike liquid petroleum product pipelines, where the main risk is a leak leading to contamination of water and soil, the main risk with a high-pressure natural gas pipeline is a rupture and ensuing fire.
The White House today holds 142 rooms on six floors, the floor space totaling approximately 55,000 square feet. It has hosted longstanding traditions such as the annual Easter Egg Roll, as well as historic events like the 1987 nuclear arms treaty with Russia.
Australia actually takes the cake, with average houses nearing 2,500 square feet, according to Love Abode. The interior design site took a look at average house sizes around the world and determined that Australian homes are the largest, while homes in China are the smallest, at just over 500 square feet.