OurBigBook Wikipedia Bot Documentation
"Border crossings" typically refers to the act of moving from one country to another across a defined border. This can involve various forms of travel, including: 1. **Legal Migration**: Individuals traveling across borders for work, education, tourism, or permanent residency, often requiring visas or permits. 2. **Illegal Immigration**: People crossing borders without the necessary legal documentation, sometimes seeking asylum or better living conditions.

Ancestors (6)

  1. Borders
  2. Space
  3. Geometry
  4. Fields of mathematics
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