Next week, FlixBus, Europe’s largest bus company, will restore three bus lines from Ukraine to Poland.

An estimated 1 million Ukrainians work in Poland. Remittances from Ukrainians working abroad total $1 billion a month, making labor Ukraine’s second largest export, after food.

Munich-based FlixBus inaugurates Thursday its first domestic bus route in Ukraine,

 a marathon, 21-hour voyage that start in Zatoka, the Odesa region Black Sea resort, then circles through Kyiv, Zhytomir, Rivne, Lviv, Ivano-Frankivsk, and finally ends at the Carpathian mountain resort of Dragobrat. Michal Lehmann, the bus company’s regional director, said in an online press conference: “This is our first branded line on the domestic route in Ukraine, and it provides the most popular destinations for travel in Ukraine, both in summer and in winter.”