The first shelter on earth constructed by a relatively close ancestor to humans is belived to be built 500,000 years by an early ancestor of humans ,Homo erectus. As a Civil Engineering structures such as a house, worship centre, factories etc. that has a foundation, wall roof etc. that protect human being and their properties from direct harsh effect of weather like rain, wind , sun etc.
Any building requires a certain amount of internal infrastructure to function, which includes such elements like heating/cooling, power and telecommunications, water and wastewater etc. Especially in commercial building (such as offices or factories), these can be extremely intricate system taking up large amounts of space (sometimes located in separate areas or double floors/false ceilings) and constitute a big part of the regular maintenance required.