![Video Message by Mr. Vladimir Voronkov, Under-Secretary-General United Nations Office of Counter-Terrorism Joint OSCE and UNOCT Passenger Data Exchange Seminar 29 – 30 October 2020, Vienna | 反恐怖主义旅行方案 Video Message by Mr. Vladimir Voronkov, Under-Secretary-General United Nations Office of Counter-Terrorism Joint OSCE and UNOCT Passenger Data Exchange Seminar 29 – 30 October 2020, Vienna | 反恐怖主义旅行方案](https://www.un.org/cttravel/sites/www.un.org.cttravel/files/styles/panopoly_image_full/public/news_articles/voronkov_osce.jpg?itok=PWbIvtAF)
Video Message by Mr. Vladimir Voronkov, Under-Secretary-General United Nations Office of Counter-Terrorism Joint OSCE and UNOCT Passenger Data Exchange Seminar 29 – 30 October 2020, Vienna | 反恐怖主义旅行方案
![Corner counter-relief, copy after Vladimir Tatlin, c.1915, reconstructed from photographs 1966-71 (iron & wood) Corner counter-relief, copy after Vladimir Tatlin, c.1915, reconstructed from photographs 1966-71 (iron & wood)](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.XXX.90161730.7055475/3712930.jpg)
Corner counter-relief, copy after Vladimir Tatlin, c.1915, reconstructed from photographs 1966-71 (iron & wood)
The State Tretyakov Gallery - Vladimir Tatlin. Counter-relief (Material Assortment). 1916. The State Tretyakov Gallery | Facebook
![Counter-Relief. Museum: State Tretyakov Gallery, Moscow. Author: Tatlin, Vladimir Evgraphovich. Copyright: This artwork is not in public domain. It is your responsibility to obtain all necessary third party permissions from the copyright Counter-Relief. Museum: State Tretyakov Gallery, Moscow. Author: Tatlin, Vladimir Evgraphovich. Copyright: This artwork is not in public domain. It is your responsibility to obtain all necessary third party permissions from the copyright](https://c8.alamy.com/comp/RDAM2Y/counter-relief-museum-state-tretyakov-gallery-moscow-author-tatlin-vladimir-evgraphovich-copyright-this-artwork-is-not-in-public-domain-it-is-your-responsibility-to-obtain-all-necessary-third-party-permissions-from-the-copyright-handler-in-your-country-prior-to-publication-RDAM2Y.jpg)