5 sentences

1. 游行队伍由天安门出发。

   yóu​xíng duì​wǔ yóu Tiān'ān​mén chū​fā.

   The parade started from Tiananmen.

   Source: Dong Chinese Dictionary

2. 我想去天安门看升旗仪式。

   wǒ xiǎng qù Tiān'ān​mén kàn shēng​qí yí​shì.

   I want to go to Tiananmen to see the flag-raising ceremony.

   Source: Dong Chinese Dictionary

3. 我们在天安门前合影留念。

   wǒ​men zài Tiān'ān​mén qián hé​yǐng liú​niàn.

   We took a commemorative group photo in front of Tiananmen Square.

   Source: Dong Chinese Dictionary

4. 马拉松的起点在天安门广场。

   mǎ​lā​sōng de qǐ​diǎn zài Tiān'ān​mén guǎng​chǎng.

   The starting point of the marathon is at Tiananmen Square.

   Source: Dong Chinese Dictionary

5. 每到国庆，天安门广场都会举行盛大的升旗仪式。

   měi dào Guó​qìng, Tiān'ān​mén guǎng​chǎng dōu huì jǔ​xíng shèng​dà de shēng​qí yí​shì.

   Every National Day, a grand flag-raising ceremony is held at Tiananmen Square.

   Source: Dong Chinese Dictionary