①UN chief calls for greater equality as world population hitting 8 bln ②FIFA provides mental health aid during World Cup ③Airbus starts A321 aircraft production in China's Tianjin ④Schumacher's Ferrari fetches 13 million Swiss francs at auction ⑤China embraces boom in silver-haired students ⑥Spain plans to issue“digital nomad” visas ⑦Heaven of violet -- Jacaranda blooms in Sydney