In Japan, Setsubun is the day before the beginning of Spring. People throw soybeans outside their house wishing for demons to go out and good luck to go in. It's kind of a traditional thing but you still see these 'oni' (demon) masks up and around that time of year. This one is not so symmetrical, so not sure how it would work as a mask, but it could still work as a symbolic image representing that holiday I guess or a lopsided mask. (I drew this by hand, if you're wondering.)
Setsubun Oni - Bean Throwing Ceremony Demon
culture、demon、holiday、Japan、monster、ogre、oni、setsubun、節分、鬼
文化、惡魔、假日、日本、怪物、怪物、他們、節分、節分、鬼
資料來源：openclipart ( https://openclipart.org/ )

Vintage Travel Poster Mexico 2
復古旅行海報墨西哥2
Mexico、Poster、Retro、Semi-Realistic People、Travel、Vintage、Vintage poster
墨西哥、海報、復古、半現實的人、旅行、釀酒、老式的海報
資料來源：openclipart ( https://openclipart.org/ )

This odd decorative divider depicts a man being attacked by odd monsters.
裝飾分隔物：攻擊
attack、decorative、divider、hurt、man、monster、Non-Human Beings、Semi-Realistic People、weird
攻擊、裝飾、分頻器、傷害、人、怪物、非人類、半現實的人、奇怪的
資料來源：openclipart ( https://openclipart.org/ )

A flower ornament.
花裝飾
black and white、colorbook clipart、flower、Flowers、ksvsm black and white images、ornament、outline、Templates for Embroidery
黑與白、彩色書剪貼畫、花、花卉、ksvsm黑白圖像、裝飾、大綱、刺繡模板
資料來源：openclipart ( https://openclipart.org/ )

Silhouette of the Three Crosses of Good Friday
三個十字架
christian、cross、crosses、crucifixion、friday、golgotha、good、jesus、NCOC clip art、religious、three
基督教、交叉、十字架、受難、星期五、墓地、好、耶穌、NCOC剪貼畫、宗教、三
資料來源：openclipart ( https://openclipart.org/ )

View of a farm with a stream running through it. Auto-traced from my own painting.
農場與流
barns、bucolic、clouds、farm、rocks、silo、sky、stream、trees
孩子、牧歌、雲、農場、岩石、筒倉、天空、流、樹木
資料來源：openclipart ( https://openclipart.org/ )

A paper with a pen.
用筆紙
blue、Clip Art 2015、how i did it、ink、paper、pen、white、writing、yellow
藍色、剪貼畫2015、我是怎麼做到的、墨、紙、噴、白色、寫作、黃色
資料來源：openclipart ( https://openclipart.org/ )

Prismatic Question Mark Fractal 2 No Background
棱鏡問號分形2沒有背景
Abstract、Art、Brain、Chromatic、Colorful、Computation、Compute、Contemplate、Fractal、Geometric、Head、Knowledge、Prismatic、Punctuation、Question Mark、Rainbow、remix 252536、Text、Think、Thinking Skills、Thought、Type、Typography、Understand、Unknown
抽象、藝術、腦、色、華美、計算、計算、沉思、分形、幾何、頭、知識、棱柱、標點、問號、彩虹、混音252536、文本、認為、思考技巧、思想、類型、活版印刷、了解、未知
資料來源：openclipart ( https://openclipart.org/ )

A frozen desert colored.
冰-2-
dessert、food、ice cream
甜點、餐飲、冰淇淋
資料來源：openclipart ( https://openclipart.org/ )

Hearts for Valentine's Day
情人節的心
valentines、valentines day、worldnews、worldnews2014、worldnews2014-02、worldnews2014-02-14
情人節、情人節、世界新聞、worldnews2014、worldnews2014-02、worldnews2014-02-14
資料來源：openclipart ( https://openclipart.org/ )