large, brown, stone relief sculpture on a wall in the city of Surabaya, Indonesia, located at the coordinates -7

large, brown, stone relief sculpture on a wall in the city of Surabaya, Indonesia, located at the coordinates -7.247 latitude, 112.737 longitude. The relief depicts several scenes from what appears to be an historical event, perhaps a political meeting or conference. On the left side of the relief, there is a scene of a group of people standing, some of whom are holding banners or flags. In the middle of the relief, there is a scene of a large gathering of people, likely seated, with a building in the background. On the right side of the relief, there is a scene of a smaller group of people seated around a table, one of whom is standing and raising a hand, presumably speaking. On the far right of the relief, there is a scene of several figures, one of whom is wearing a uniform. The relief is partially obscured by a bush of green and purple foliage in the foreground.