January 15, 2024 This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: fact-checked trusted source written by researcher(s) proofread by Jennifer L. Tucker, The Conversation Paraguay's Ciudad del Este is a busy South American contraband hub where scrappy Paraguayan vendors and Brazilian traders mix with businessmen from places as far away as Lebanon and South Korea. This hive of activity moves billions of dollars' worth of consumer goods—everything from smartphones to whiskey. The city was built as a…
