Introduced in the late 19th century, these blue signs ( číslo orientační ) follow a standard sequential order ( 1, 2, 3... ) to help people actually find addresses. Usually, odd numbers are on one side and even on the other. The Role of "Portu"
The series is primarily built around the "money-for-sex" trope, using various scenarios to set up encounters: The Premise : A host wanders public or semi-public spaces in Czech streets -1-120- -PORTU-
The string "-1-120-" likely refers to a specific range of interview numbers within the project's internal numbering system, as the project contains over a thousand recorded interviews. Introduced in the late 19th century, these blue