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Sentiment Analysis:
The content is a factual announcement of world leaders arriving in South Africa for the G20 Summit, presented without any positive or negative evaluative language, focusing solely on the event.
IN PICS: World leaders arrive in South Africa ahead of G20 Summit

Executive Summary
Johannesburg is hosting the first G20 Leadership Summit on African soil this weekend, drawing about 40 world leaders, including the 20 G20 member countries and invited guests. South Africa, which has chaired the G20 for the past year under the theme of solidarity, equality, and sustainability, will formally hand over the presidency to the United States on Sunday. This historic gathering highlights Africa's rising prominence in global affairs amid pomp and ceremony.