epa06152850 Flower composition of the Earth on a float during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

A flower composition is seen during the 48th Debrecen Flower Festival in Debrecen, 226 kms east of Budapest, Hungary, Sunday, Aug. 20, 2017, one of Hungary's major national holidays when Hungarians commemorate the foundation of their state and its founder King St Stephen. (Zsolt Czegledi/MTI via AP)

A flower composition is seen during the 48th Debrecen Flower Festival in Debrecen, 226 kms east of Budapest, Hungary, Sunday, Aug. 20, 2017, one of Hungary's major national holidays when Hungarians commemorate the foundation of their state and its founder King St Stephen. The inscription reads: "We serve the mobility of tomorrow". (Zsolt Czegledi/MTI via AP)

epa06152845 The Fantasy dance group of Hungary perform during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152847 Characters form the Czech animation the Mole (Krtek) of flowers on a float during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152846 Stelzen Art dance group of Germany perform during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152849 A Flower composition depicting a bird on a float during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152840 A flower composition is seen during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152837 The crest of Debrecen on a float during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152848 A member of the Stelzen Art dance group of Germany performs during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

A member of the Ballett Camara dance group of Senegal performs during the 48th Debrecen Flower Festival in Debrecen, 226 kms east of Budapest, Hungary, Sunday, Aug. 20, 2017, one of Hungary's major national holidays when Hungarians commemorate the foundation of their state and its founder King St Stephen. (Zsolt Czegledi/MTI via AP)

epa06152842 A float of flowers depicting dogs during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

The Feeling dance group of Hungary performs during the 48th Debrecen Flower Festival in Debrecen, 226 kms east of Budapest, Hungary, Sunday, Aug. 20, 2017, one of Hungary's major national holidays when Hungarians commemorate the foundation of their state and its founder King St Stephen. (Zsolt Czegledi/MTI via AP)

epa06152838 A dragon flower composition on a float during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

A member of the Olinyolotl dance group of Mexico performs during the 48th Debrecen Flower Festival in Debrecen, 226 kms east of Budapest, Hungary, Sunday, Aug. 20, 2017, one of Hungary's major national holidays when Hungarians commemorate the foundation of their state and its founder King St Stephen. (Zsolt Czegledi/MTI via AP)

epa06152835 The Holy Crown of Hungary on a float during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT

epa06152844 Stelzen Art dance group of Germany performs during the 48th Debrecen Flower Festival in Debrecen, Hungary, 20 August 2017. Hungary celebrates its National Holiday of the Foundation of the Hungarian State and King Saint Stephen, the State Founder. EPA/ZSOLT CZEGLEDI HUNGARY OUT