An aerial drone photo taken on April 12, 2024 shows circular fields in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
An aerial drone photo taken on April 12, 2024 shows a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
An aerial drone photo taken on April 12, 2024 shows a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
An aerial drone photo taken on April 12, 2024 shows circular fields in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
An aerial drone photo taken on April 12, 2024 shows a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
An aerial drone photo taken on April 12, 2024 shows a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
This photo taken on April 12, 2024 shows the center-pivot irrigation equipment on a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
This photo taken on April 12, 2024 shows the center-pivot irrigation equipment on a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
This photo taken on April 12, 2024 shows the center-pivot irrigation equipment on a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
This photo taken on April 12, 2024 shows the center-pivot irrigation equipment on a circular field in the suburb of Johannesburg, South Africa. (Xinhua/Zhang Yudong)
