Students hold placards in an awareness rally on the occasion of "World Rhino Day" at Assam State Zoo cum Botanical Garden in Guwahati, the capital city of India's northeastern state of Assam, on Thursday. (Photo: Xinhua)

A couple hugs each other after hearing an earthquake alarm in Mexico City, Mexico, on Monday. A 7.7 magnitude earthquake shook west-central Mexico on Monday. (Photo: Xinhua)

Visitors watch a performance at the Universal Beijing Resort in Beijing, capital of China, on Tuesday. The Universal Beijing Resort celebrated the one year anniversary of its opening to the public on Tuesday. (Photo: Xinhua)

Tasmania state wildlife services personnel check the carcasses of pilot whales, numbering nearly 200, after they were found beached the previous day on Macquarie Heads on the west coast of Tasmania, on Friday. Almost 200 whales have perished at an exposed, surf-swept beach on the rugged west coast of Tasmania, where Australian rescuers were only able to save a few dozen survivors on Thursday. (Photo: CFP)

Giant panda "Reganmian" is pictured at the Chengdu Research Base of Giant Panda Breeding in Chengdu, Southwest China's Sichuan Province, on Wednesday. (Photo: Xinhua)

Flowers lay on the roof of the State Hearse carrying the coffin of Queen Elizabeth II, as it arrives at Windsor Castle on Monday, ahead of the Committal Service for Britain's Queen Elizabeth II. (Photo: AFP)

Firefighters participate in a drill at the Palace Museum, also known as the Forbidden City, in Beijing, on Monday. About 200 people took part in the drill replicating a fire at the ancient structure, to enhance the emergency response capabilities. (Photo: China Daily)

Pupils at Fushan Experimental Kindergarten participate in a fun game of transporting agricultural produce in Yantai, Shandong Province, on Thursday. The event was organized to celebrate the upcoming Chinese farmers' harvest festival, which coincides with the annual autumnal equinox, one of the 24 solar terms of the Chinese lunar calendar. It usually falls between Sept 22-24 during the harvest period. (Photo: Sipa)

Kids from a pre-school hold paper pigeons to mark the International Day of Peace in Agartala, capital city of India's northeastern state of Tripura, on Wednesday. (Photo: Xinhua)

A farmer displays grain in Fangjiatun town, Kangping county of Shenyang, Northeast China's Liaoning Province, on Wednesday. (Photo: Xinhua)