Both nations claim Santa Rosa de Yavarí, a tiny island of just 3,000 people that sits in the Amazon River, more than a thousand miles from their capitals.

The island of Santa Rosa sits in the Amazon River between Colombia and Peru, with Lima recently naming it a district.

Both nations claim Santa Rosa de Yavarí, a tiny island of just 3,000 people that sits in the Amazon River, more than a thousand miles from their capitals.