Thanks to Wikipedia, I just learned that in keeping with the idea of Tu B’Shevat marking the revival of nature, many of Israel's major institutions chose this day for their inauguration. Examples include the cornerstone-laying of the Hebrew University of Jerusalem, the Technion and the Knesset.
Why should this be limited to major institutions? Each of us can create our own unique cornerstone project or achievement this Tu B’Shevat. Even with pandemic fatigue, it is invigorating and elevating to help others and/or the environment. What will your personal cornerstone be and can you partner with others to achieve it?