A drone photo taken on Sept. 6, 2025 shows boats cruising on the Vaal River in Vanderbijlpark, South Africa.

The summer boating season kicked off here on Saturday. Boating on the Vaal River is popular in South Africa. With the length of 1,458 kilometers, the Vaal is the third longest river in South Africa after the Orange and the Limpopo. (Photo by Shiraaz Mohamed/Xinhua)

Boats cruise on the Vaal River in Vanderbijlpark, South Africa, Sept. 6, 2025.

The summer boating season kicked off here on Saturday. Boating on the Vaal River is popular in South Africa. With the length of 1,458 kilometers, the Vaal is the third longest river in South Africa after the Orange and the Limpopo. (Photo by Shiraaz Mohamed/Xinhua)

Boats cruise on the Vaal River in Vanderbijlpark, South Africa, Sept. 6, 2025.

The summer boating season kicked off here on Saturday. Boating on the Vaal River is popular in South Africa. With the length of 1,458 kilometers, the Vaal is the third longest river in South Africa after the Orange and the Limpopo. (Photo by Shiraaz Mohamed/Xinhua)

A drone photo taken on Sept. 6, 2025 shows boats cruising on the Vaal River in Vanderbijlpark, South Africa.

The summer boating season kicked off here on Saturday. Boating on the Vaal River is popular in South Africa. With the length of 1,458 kilometers, the Vaal is the third longest river in South Africa after the Orange and the Limpopo. (Photo by Shiraaz Mohamed/Xinhua)

A drone photo taken on Sept. 6, 2025 shows boats cruising on the Vaal River in Vanderbijlpark, South Africa.

The summer boating season kicked off here on Saturday. Boating on the Vaal River is popular in South Africa. With the length of 1,458 kilometers, the Vaal is the third longest river in South Africa after the Orange and the Limpopo. (Photo by Shiraaz Mohamed/Xinhua)