2 sentences

1. 这是伊斯坦布尔最古老的拱门之一。

   zhè shì Yī​sī​tǎn​bù'ěr zuì gǔ​lǎo de gǒng​mén zhī yī.

   This is one of the oldest arches in Istanbul.

   Source: OpenSubtitles

2. 圣路易斯的大拱门是该市标志性的建筑。

   Shèng​lù​yì​sī de dà gǒng​mén shì gāi shì biāo​zhì​xìng de jiàn​zhù.

   The Gateway Arch in St. Louis is an iconic landmark of the city.

   Source: Dong Chinese Dictionary