大野入苍穹 (大野入蒼穹) dàyě rù cāngqióng

dàyě rù cāngqióng phrase the vast plain extends to the sky
Domain: Modern Chinese 现代汉语
Notes: From 五律·喜闻捷报 Five Character Regular Verse: Rejoicing over the Victory (Mao Zedong 2020, Illustrated Poems of Mao Zedong, trans. by Xu Yuanchon, p. loc. 574)