Carnival or Mardi Grass is a festive western holiday. Sometimes it is celebrated on February or early March.
In some countries it is customary to wear masks.
- https://www.dreamstime.com/stock-illustration-carnival-animal-masks-cute-children-flat-color-style-image85200352#res2332155
- https://stock.adobe.com/es/images/cute-animal-children-masks-for-carnival-flat-color-style/136840431