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"Environmental pollution and climate change are among the greatest challenges facing developing countries, and China has taken a leadership role among developing countries in transforming the nation toward sustainable environmental and energy policies," Biswas said.

"Daka" which means punching the card, refers to social-media driven practice of registering one's presence at a famous location.

"Egypt came back strongly after the bloody turmoil in 2011. It is now one of the most sought-after destinations for our guests. I am sure Sri Lanka will overcome the crisis soon," Sur said.

"Especially in the winter semester, many teachers from outside the region had headaches and purple lips, and students also woke up frequently from their sleep due to lack of oxygen," she said.

"During the first quarter, the current account is likely to remain stable within a reasonable range, although it may show a deficit. The COVID-19 pandemic will not alter the basic trend in the medium to long term," said Wang.