The painting depicts a screaming person with the backdrop of black running river and blood-red sky.

该画作描绘的是一个尖叫的人，背后是黑色奔涌的河流和血红色的天空。

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"What Klein and Roitfeld should know... is that painting white people black for the entertainment of other white people is offensive in ways that stand entirely apart from cultural context," it said.

“克莱因和洛菲德应该知道…为了其他白人的娱乐，而将白人涂成黑色是令人厌恶的行为，这种行为完全背离了文化传统，”文章称。

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The Lascaux caves, in the Dordogne region of France, may have the answer. There you can see a painting of a red cow with a black head high on one of the walls.

法国多尔多涅河地区的拉斯科洞穴中也许就有这些问题的答案：在那里的一面墙壁上，你能看到一头红色的母牛，它黑色的牛头高高扬起。

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And Alan Lomax had somevery compelling and really engaging stories to tell about actually painting himself up in blackface so that he could go into black communities, so that some of the whites wouldn't single him out and beat him up or whatever."

VOA: special.2010.01.18

Mr Wright later uploaded a picture to Twitter which showed five or six words on the bottom-right corner of the painting with black streaks of paint running down from the daubed writing.

BBC: Defacing Rothko painting 'not vandalism'

The painting depicts a black American businessman getting his shoes shined.

FORBES: Magazine Article

The origins of Ati-Atihan date back to the 13th Century, when a group of lighter skinned Malay immigrants from Borneo chose to show their respect for the local Ati people by painting their faces black and singing and dancing in thanks for the land and food that was offered to them.

BBC: Ati-Atihan festivites on Philippine shores