Question: What did the Thuringian miners do to help the country where Kim Pyong-il's father was a citizen?

<P0-S0> north korea: the event was held in pyongyang on april 28. it was the first time that the olympic torch has traveled to north korea. <P0-S1> a crowd of thousands waving pink paper flowers and small flags with the beijing olympics logo were organized by the authoritarian regime watched the beginning of the relay in pyongyang, some waving chinese flags. <P0-S2> the event was presided over by the head of the country's parliament, kim yong nam. <P0-S3> the north, an ally of china, has been critical of disruptions to the torch relay elsewhere and has supported beijing in its actions against protests in tibet. <P0-S4> kim passed the torch to the first runner pak du ik, who played on north korea's 1966 world cup soccer team, as he began the 19-kilometre route through pyongyang. <P0-S5> the relay began from the large sculpted flame of the obelisk of the juche tower, which commemorates the national ideology of juche, or "self-reliance", created by the country's late founding president kim il sung, father of leader kim jong il, who did not attend. <SEP> <P1-S0> Mining was important in Thuringia since the later Middle Ages, especially within the mining towns of the Thuringian Forest such as Schmalkalden, Suhl and Ilmenau. <P1-S1> Following the industrial revolution, the old iron, copper and silver mines declined because the competition from imported metal was too strong. <P1-S2> On the other hand, the late 19th century brought new types of mines to Thuringia: the lignite surface mining around Meuselwitz near Altenburg in the east of the Land started in the 1870s, and two potash mining districts were established around 1900. <P1-S3> Between 1950 and 1990, uranium mining was also important to cover the Soviet Union's need for this metal. <P1-S4> These are the Südharzrevier in the north of the state, between Bischofferode in the west and Roßleben in the east with Sondershausen at its centre, and the Werrarevier on the Hessian border around Vacha and Bad Salzungen in the west. <P1-S5> Together, they accounted for a significant part of the world's potash production in the mid-20th century. <P1-S6> After the reunification, the Südharzrevier was abandoned, whereas K+S took over the mines in the Werrarevier. <P1-S7> The centre was Ronneburg near Gera in eastern Thuringia and the operating company Wismut was under direct Soviet control. <SEP> <P2-S0> On 9 September 1948, the DPRK was proclaimed, also led by Kim Il-sung. <P2-S1> At the end of World War II, Soviet Union occupied the northern half of Korea and in 1946 established the Provisional People's Committee for North Korea chaired by Kim Il-sung. <SEP> <P3-S0> soviet records show that kim was born yuri irsenovich kim () in 1941 in the village of vyatskoye, near khabarovsk, where his father, kim il-sung, commanded the 1st battalion of the soviet 88th brigade, made up of chinese and korean exiles. <P3-S1> kim jong-il's mother, kim jong-suk, was kim il-sung's first wife. <P3-S2> inside his family, he was nicknamed "yura", while his younger brother kim man-il (born alexander irsenovich kim) was nicknamed "shura". <SEP> <P4-S0> He is the current ambassador of North Korea to the Czech Republic. <P4-S1> Kim Pyong-il (; born 10 August 1954) is the younger paternal half-brother of the former leader of North Korea, Kim Jong-il, and the only surviving son of former leader and president of North Korea Kim Il-sung.