Another hazy day for Beijing residents - the result of a sandstorm which aggravates poor air quality in the Chinese capital.<br/> <br />Some have taken to wearing masks to protect their lungs.<br/> <br />Toxic air and rising pollution are some of the issues facing China's next leader Xi Jinping.<br/> <br />And as the ruling communist party holds its annual national congress, international journalists say the issue of air quality must be faced.<br/> <br />(SOUNDBITE) (Mandarin) TOKYO TV CORPORATION CORRESPONDENT, KOBAYASHI FUMINORI, SAYING:<br/> <br />"It's difficult (for China) to on one hand develop economy, and the other hand to consider environmental issues. But it has already come to such a degree, and it's badly affecting people's health. I hope (NPC delegates) will seriously think about the problem this year."<br/> <br />Beijing's air quality was 30-45 times above the recommend safety levels in January, prompting public outcry.<br/> <br />But it won't be easy to balance industrial growth with environmental protect
