A few nice china population problem images I found:
Farmer seeks drought tolerant maize in Yunnan Province, China

Image by CIMMYT
Farmer Yang Qiong, of the village of Songshuwa, Yunnan Province, China. For her, drought is a serious problem. It causes smaller ears, she says, and having a drought tolerant variety would help. Maize is the main crop in southwest China and the preferred staple food for many ethnic minority populations. Drought is the primary constraint on maize production: in 2008, when this photo was taken, drought had been a problem in 6 of the last 10 years in Yang’s village. Farmers also seek varieties with good yields, disease resistance, feed quality, and other desirable characteristics.
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Farmer seeks drought tolerant maize in Yunnan Province, China758 words, 2 images, reading time ~ 3:02 mins
Tags: China, drought, Farmer, maize, Province, seeks, tolerant, Yunnan