How could Iran respond to reinstatement of UN sanctions?

① We take a look at North Korean Foreign Minister Choe Son Hui’s trip to China and why consolidating ties with North Korea is a strategic decision of China. (00:48) ② Iran is weighing confrontation or diplomacy after UN sanctions are re-imposed against it over nuclear issues. How could Iran respond? (14:44) ③ Why are Russia and Ukraine intensifying drone and missile attacks on each other? (24:47) ④ China is bracing for a travel surge during the upcoming National Day holiday. What does it reveal about the health of China’s economy? (35:02) ⑤ Nigeria is eyeing certification of China’s C919 jet for local airlines. How much business potential does the Africa nation boast for C919? (46:03)