The annual Harbin International Ice and Snow Sculpture Festival,     1     officially opened on January 5 and will run through next month, has turned the city in northeastern     2     (China) Heilongjiang province into a wonderland.

Last year, more than a million visitors     3     (attract) to Harbin to see the huge sculptures     4     (create) from huge ice blocks and tons of snow by artists from 12 countries.

In the weeks     5     (lead) up to the latest festival, hundreds of workers spent hours cutting blocks of ice from the nearby Songhua River. Each piece weighed up to 1,554 pounds and almost 261,500m³ of ice were cut     6     transported on-site.

When the ice and snow sculptures are lit up by thousands of lanterns, they are very     7     (impress), with the massive main sculpture measuring 108 feet in height and over 325 feet in     8     (long). From fantasy castles and creatures to recreations of iconic monuments, the incredible ice and snow sculptures allow the public to relive     9     (they) childhood. Many visitors say it is     10     once-in-a-lifetime experience for them!