Photo taken on April 28, 2021 shows artworks on display during an exhibition at Thapong Visual Arts Center in Gaborone, Botswana. Thapong Visual Arts Center is currently exhibiting artworks of five local visual artists under the theme "Signature". The exhibition runs from April 24 to May 6. (Photo by Tshekiso Tebalo/Xinhua)

The exhibition supervisor Thabo Kgatlhwane introduces one of the artworks at Thapong Visual Arts Center in Gaborone, Botswana, on April 28, 2021. Thapong Visual Arts Center is currently exhibiting artworks of five local visual artists under the theme "Signature". The exhibition runs from April 24 to May 6. (Photo by Tshekiso Tebalo/Xinhua)

Visitors view artworks at an exhibition displayed at Thapong Visual Arts Center in Gaborone, Botswana on April 28, 2021. Thapong Visual Arts Center is currently exhibiting artworks of five local visual artists under the theme "Signature". The exhibition runs from April 24 to May 6. (Photo by Tshekiso Tebalo/Xinhua)

A visitor views artworks at an exhibition displayed at Thapong Visual Arts Center in Gaborone, Botswana on April 28, 2021. Thapong Visual Arts Center is currently exhibiting artworks of five local visual artists under the theme "Signature". The exhibition runs from April 24 to May 6. (Photo by Tshekiso Tebalo/Xinhua)