Victoria Falls a visa each time they cross the border; visas can be obtained at both border posts. Costs vary from US$50–$80 (). Visa regulations change frequently; visitors are advised to check the rules currently in effect in both countries before crossing the border in either direction. Additionally, foreign tourists may purchase a KAZA visa for US$50 that will permit visitors to travel between Zambia and Zimbabwe for up to 30 days as long as they remain within the covered countries. A famous feature is the naturally formed "Armchair" (now sometimes called "Devil's Pool"), near the edge of the falls on Livingstone
China–Kazakhstan border by joint commissions. According to the commissions' protocols and maps, the two countries' border line is 1782.75 km long, including 1215.86 km of land border and 566.89 km of border line run along (or across) rivers or lakes. The commissions' work was documented by several joint protocols, finalized with the Protocol signed in Beijing on May 10, 2002. In 2011 a cross-border free trade area opened on the border at Khorgos in an effort to boost Chinese-Kazakh trade. The two countries' border protection authorities carry out regular meetings, and on occasions even joint border patrols. China–Kazakhstan border The China–Kazakhstan border,