The capital is hosting the European Mobility Week.
This is an annual campaign for sustainable urban mobility organized by the European Organization Secretariat with the support of the European Commission.
This year's event is dedicated to the theme of "Safe Walking and Cycling", and the motto is "Walk with us!" The initiative will last until September 22.
Bulgaria marks the 182th anniversary of Vasil Levski's birthday. The center of the celebrations will again be Karlovo, the native town of the Apostle of Freedom.
In front of the monuments of Levski in the country wreaths and flowers will be placed. A number of different events are planned for the anniversary of the birth of Levski.