2 sentences

1. 现场聚集了数万名观众。

   xiàn​chǎng jù​jí le shù​wàn míng guān​zhòng.

   Tens of thousands of spectators gathered at the scene.

   Source: Dong Chinese Dictionary

2. 这场庆典的声势极浩，吸引了数万人围观。

   zhè cháng qìng​diǎn de shēng​shì jí hào, xī​yǐn le shù​wàn rén wéi​guān.

   The scale of the celebration was grand, attracting tens of thousands of spectators.

   Source: Dong Chinese Dictionary