Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Qhapaq Ñan, Andean Road System' has mentioned 'Engineering' in the following places:
Occurrence Sentence Text Source
Inca Empire Inca society Educationxc2xa0xc2xb7 Religionxc2xa0xc2xb7 Mythology Architecturexc2xa0xc2xb7 Engineeringxc2xa0xc2xb7 Roads Armyxc2xa0xc2xb7 Agriculturexc2xa0xc2xb7 Cuisine Inca history Kingdom of Cuscoxc2xa0xc2xb7 Inca Empire (Chimorxe2x80x93Inca Warxc2xa0xc2xb7 Invasion of Chilexc2xa0xc2xb7 Civil Warxc2xa0xc2xb7 Spanish conquest) Neo-Inca State vte
Contents 1 Extent 1.1 The four routes 2 Purposes of the road 2.1 Transportation 2.2 Trade 2.3 Military 2.4 Religious 3 History 3.1 Inca Empire era 3.2 Colonial era 3.3 Post-colonial and modern times 4 Architecture and engineering of the Inca roads 4.1 Construction and maintenance 4.2 Architectural components 4.2.1 Roadway and pavement 4.2.2 Side walls and stone rows 4.2.3 Furrows 4.2.4 Retaining walls 4.2.5 Drainage 4.2.6 Road marks 4.2.7 Paintings and mock-ups 4.3 Causeways 4.4 Stairways 4.5 Bridges 4.6 Tunnel 4.7 Equipment 5 Inca Trail to Machu Picchu 6 See also 7 Notes 8 References 9 Bibliography 10 Further reading 11 External links
Architecture and engineering of the Inca roads[edit]
137 component areas and 308 associated archaeological sites, covering 616.06 kilometers of the Qhapaq xc3x91an highlight the achievements of the Incas in architecture and engineering along with its associated infrastructure for trade, storage and accommodation as well as sites of religious significance.
The Qhapaq xc3x91an by its sheer scale and quality of the road, is a unique achievement of engineering skills in most varied geographical terrains, linking snow-capped mountain ranges of the Andes, at an altitude of more than 6,600 metres high, to the coast, running through hot rainforests, fertile valleys and absolute deserts.
It demonstrates mastery in engineering technology used to resolved myriad problems posed by the Andes variable landscape by means of variable road construction technologies, bridges, stairs, ditches and cobblestone pavings.
Criterion (iv): The Qhapaq xc3x91an, Andean Road System is an outstanding example of a type of technological ensemble which despite the most difficult geographical conditions created a continuous and functioning communication and trade system with exceptional technological and engineering skills in rural and remote settings.
The authenticity of the Qhapaq xc3x91an component sites is very high in that the characteristic features retain their form and design and the variety of specific well-preserved types of architectural and engineering achievements facilitate communication of the overall form and design of the network.