construction: process of the building or assembling of a building or infrastructure

rope: linear collection of plies, yarns or strands which are twisted or braided together

stairs: construction designed to bridge a large vertical distance by dividing it into steps

foundation: lowest and supporting layer of a structure

Amazon rainforest: large rainforest in South America

group of humans: any set of human beings

public works: broad category of infrastructure projects, financed and constructed by the government

river: larger natural watercourse

bridge: structure that spans and provides a passage over a road, railway, river, or some other obstacle

worker: person who works