What characteristic of the Suez Canal route made it a difficult place for workers to work?

The Suez Canal route presented challenges for workers due to its extreme climate, characterized by high temperatures and humidity, which made working conditions uncomfortable and hazardous. Additionally, the canal's construction involved complex engineering tasks and required a large workforce, often leading to health issues and safety concerns among laborers. The remote location also posed logistical difficulties in terms of supplying adequate food, water, and medical care.