ethnicity, live together and work together to build a better life for their children and grandchildren. in the end, that deep yearning to leave something better for those who come after us, that is something we all truly share. in fact, there's a chinese saying that i love that says, to achieve true happiness, help the next generation. ♪ [ girl ] my mom, she makes underwater fans that are powered by the moon. ♪ she can print amazing things, right from her computer. [ whirring ] [ train whistle blows ] she makes trains that are friends with trees. ♪