caption: The image shows a group of people standing around a podium in front of a crowd. Some of the people are wearing caps and masks, while others are sitting on chairs. There is a person sitting on a chair in the center of the group, holding a microphone. On the left side of the image, there is a table with a flower bouquet and other objects. In the background, there are curtains and a wall with a screen and a CCTV camera. At the bottom right corner of the picture, there appears to be a watermark. The people in the image are Nigerian President Muhammadu Buhari, who is being sworn in as President of Nigeria.