Problem Statement: This page describes various uses of XML and shows how it can be applied. Two Civil Engineering World Wonders are used as examples to portray XML. Those examples are: The CN Tower and the Empire State Building
| XML Tag | Description |
| <CEWonders> .... </CEWonders> | Root of XML |
| <Name> .... </Name> | Name of Wonder |
| <Country> .... </Country> | Element describing wonder's location |
| <Coordinates> .... </Coordinates> | Subelement of country- city the wonder is located |
| <Latitude> .... </Latitude> | Subelement of coordinates-Latitude coordinates of wonder |
| <Longitude> .... </Longitude> | Subelement of coordinates-Longitude coordinates of wonder |
| <Features> .... </Features> | The features of the wonder |
| <Age> .... </Age> | Subelemnt of features- age of the wonder |
| <Size>....</Size> | Subelement of features- size and dimensions of wonder |
| <ConstructionTime>....</ConstructionTime> | Dates when construction began and ended |
| <Start>....</Start> | Subelement of constr. date- Start of construction |
| <End>....</End> | Subelement of constr. date- End of construction |
| <InterestingFact>....</InterestingFact> | Reason why Wonder is significant |
Here is a general tree structure of the XML language