You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Tajikistan

Context:
Tajikistan (i/tɑːˈdʒiːkᵻstɑːn/, /təˈdʒiːkᵻstæn/, or /tæˈdʒiːkiːstæn/; Persian: تاجيكستان‎‎ Тоҷикистон [tɔd͡ʒikɪsˈtɔn]), officially the Republic of Tajikistan (Persian: جمهورى تاجيكستان‎‎ Tajik: Ҷумҳурии Тоҷикистон, Çumhuriji Toçikiston/Jumhuriyi Tojikiston; Russian: Респу́блика Таджикистан, Respublika Tadzhikistan), is a mountainous, landlocked country in Central Asia with an estimated 8 million people in 2013, and an area of 143,100 km2 (55,300 sq mi). It is bordered by Afghanistan to the south, Uzbekistan to the west, Kyrgyzstan to the north, and China to the east. Pakistan lies to the south, separated by the narrow Wakhan Corridor. Traditional homelands of Tajik people included present-day Tajikistan, Afghanistan and Uzbekistan.

Question:
What country lies to Tajikistans east?

China