Now that higher education is closed in Corona lock-down, schools are only going to continue very partially (“pretend” they 're still open), we run the risk of pricing ourselves out of the market. Because if it really is only about knowledge transfer, there are of course so many more interesting documentaries …

The Zhanghe irrigation system (ZIS) is located in the Yangtze River Basin approximately 200 km west of Wuhan in Hubei Province. The reservoir was designed for multiple uses—irrigation, flood control, domestic water supply, industrial use, aquaculture, and hydropower. Over a period of more than 30 years …