1.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.

1.该站点提热带土壤剖面图，如：秘鲁成土、肯尼变性土、尼日利溶土、泰国软土、巴西灰土、红土岩层等。