 Tatsu Musuda from the NUCB Business School, a visiting professor. Thank you very much for being on WBC TV. That's my pleasure. You're an expert on climate change. Are you optimistic or pessimistic in the short to medium term about our efforts to deal with climate change? Thank you for asking. I'm in two both ways. I'm very optimistic about human wisdom, about technology. There are so many technologies already blooming like photovoltaic, windmill and bioenergy and also many more long list of good technologies blooming in coming maybe five to 15 years. That could overturn everything about energy, system, lifestyle and even people's thinking. But I'm negatively pessimistic about maybe top people that means politicians. They are by definition short termists. They like to be re-elected. They like to be praised by people. So do everything to sustain their position short term. And civil society is in the middle. But civil society is I think more sober than politicians because they have their life down on earth. So they care about life. They care about children. So they are more committed to climate change initiatives. That's my observation. So somehow we have to convince the politicians. Absolutely. Absolutely. That's our work. Thank you so much for being the last. That's my pleasure. Thank you.