As you can see from the above picture, some staffs were working on the pavement of rebar on the banks of lower courses of Chenjiang river in Boliping. The upgrading project for the lower courses of Chenjiang river from Boliping to Xiamei bridge was launched in the beginning of 2013. The 5kms long upgrading project was covered with over 500 million yuan investment. It was estimated to be finished next October.