it ranked as the sixth largest wheat exporter, accounting for nine percent of world wheat trade. The country is also a major global exporter of maize, barley and rapeseed. In 2020/21, it accounted for 12 percent of global trade in maize and barley and for 14 percent of world rapeseed exports. Its trade share is even greater in the sunflower oil sector, with the country accounting for about 50 percent of world exports in 2020/2021. According to the Food and Agriculture Organization of the United Nations (FAO), further to causing the loss of lives and increasing humanitarian needs, the likely disruptions caused by the Russo-Ukrainian War to Ukraine's grain and oilseed sectors, could jeopardize the food security of many countries, especially those that are highly dependent on Ukraine and Russia for their food and fertilizer imports. Several of these countries fall into the Least Developed Country (LDC) group, while many others belong to the group of Low-Income Food-Deficit Countries (LIFDCs). For example Eritrea sourced 47 percent of its wheat imports in 2021 from Ukraine. Overall, more than 30 nations depend on Ukraine and the Russian Federation for over 30 percent of their wheat import needs, many of them in North Africa and Western and Central Asia. Tourism Before the Russo-Ukrainian war the number of tourists visiting Ukraine was eighth in Europe, according to the World Tourism Organization rankings. Ukraine has numerous tourist attractions: mountain ranges suitable for skiing, hiking and fishing; the Black Sea coastline as a popular summer destination; nature reserves of different ecosystems; and churches, castle ruins and other architectural and park landmarks. Kyiv, Lviv, Odesa and Kamyanets-Podilskyi were Ukraine's principal tourist centres, each offering many historical landmarks and extensive hospitality infrastructure. The Seven Wonders of Ukraine and Seven Natural Wonders of Ukraine are selections of the most important landmarks of Ukraine, chosen by Ukrainian experts and an Internet-based public vote. Tourism was the mainstay of Crimea's economy before a major fall in visitor numbers following the Russian annexation in 2014. Transport Many roads and bridges were destroyed, and international maritime travel was blocked by the 2022 Russian invasion of Ukraine. Before that it was mainly through the Port of Odesa, from where ferries sailed regularly to Istanbul, Varna and Haifa. The largest ferry company operating these routes was Ukrferry. There are over of navigable waterways on 7 rivers, mostly on the Danube, Dnieper and Pripyat. All Ukraine's