Complex sentence: However, Hsinking's population exceeded the prediction of 500,000 by 1940-in 1941, the Capital Construction Bureau modified the original plan, which expanded the urban area to 160 square kilometers.
Split into simpler sentences: However, Hsinking's population has exceeded the prediction of 500,000 by 1940. In 1941, the Capital Construction Bureau modified the original plan, which expanded the urban area to 160 square kilometers.