urther destroying the structure. The increasing popularity of the stupa brings in many visitors, most of whom are from Indonesia. Despite warning signs on all levels not to touch anything, the regular transmission of warnings over loudspeakers and the presence of guards, vandalism on reliefs and statues is a common occurrence and problem, leading to further deterioration. As of 2009, there is no system in place to limit the number of visitors allowed per day, or to introduce mandatory guided tours only.
International tourism awards were given to Borobudur archaeological park such as PATA Grand Pacific Award 2004, PATA Gold Award Winner 2011, and PATA Gold Award Winner 2012. On June 2012, Borobudur was recorded in Guiness Book of World Records as the world's largest Buddhist archaeological site.
Rehabilitation
Borobudur was heavily affected by the eruption of Mount Merapi in October and November 2010. Volcanic ash from Merapi fell on the temple complex, which is approximately 28 kilometres (17 mi) west-southwest of the crater. A layer of ash up to 2.5 centimetres (1 in) fell on the temple statues during the eruption of 3�5 November, also killing nearby vegetation, with experts fearing that the acidic ash might damage the historic site. The temple complex was closed from 5 to 9 November to clean up the ashfall.
UNESCO donated US$3 million as a part of the costs towards the rehabilitation of Borobudur after Mount Merapi's 2010 eruption. More than 55,000 stone blocks comprising the temple's structure were dismantled to restore the drainage system, which had been clogged by slurry after the rain. The restoration was finished in November.
In January 2012, two German stone conservation experts spent 10 days at the site analyzing the temples and making recommendations to ensure their long-term preservation. In June, Germany agreed to contribute $130,000 to UNESCO for the second phase of rehabilitation, in which six experts in stone
