This site offers images from the tropics e.g. pictures of soil profiles: aridisol in Peru, vertisol in Kenya, alfisol in Nigeria, mollisol in Thailand, spodosol in Brazil, laterite outcrops etc.

该站点提供大量热带面图，如：秘鲁成、肯尼亚、尼日利亚淋溶、泰国软、巴西灰、红岩层等。