Photos: Clown Doctors celebrate 20 years of cheering up sick kids

Some 200 clowns of the foundation Theodora - clowns for our kids in hospital - celebrate their 20th anniversary outside the Swiss parliament building in Bern on January 30, 2013. The Theodora foundation was established in eight countries: Switzerland, France, Spain, Italy, England, Turkey, Hong Kong and Belarus in 1993 to cheer up children in hospital. REUTERS/Pascal Lauener

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora gather on January 30, 2013 on the Federal Place during a trip to Bern, Switzerland. Hospital clowns from around the world are on a week course in Rolle, western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits by professional artists called the "Clown/Giggle Doctors". SEBASTIEN BOZON/AFP/Getty Images

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora gather at the Federal Place during a trip on January 30, 2013 in Bern. Hospital clowns from around the world are spending a week course in Rolle, Western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits of professional artists termed the "Clown Doctors". SEBASTIEN BOZON/AFP/Getty Images

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora are pictured with Swiss singer (C), Bastian Baker, at the Federal Place during a trip on January 30, 2013 in Bern. Hospital clowns from around the world are spending a week course in Rolle, Western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits of professional artists termed the "Clown Doctors". SEBASTIEN BOZON/AFP/Getty Images

One of the clowns blows bubbles as some 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora gather on January 30, 2013 on the Federal Place during a trip to Bern, Switzerland. Hospital clowns from around the world are on a week course in Rolle, western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits by professional artists called the "Clown/Giggle Doctors". SEBASTIEN BOZON/AFP/Getty Images

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora gather on January 30, 2013 on the Federal Place during a trip to Bern, Switzerland. Hospital clowns from around the world are on a week course in Rolle, western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits by professional artists called the "Clown/Giggle Doctors". SEBASTIEN BOZON/AFP/Getty Images

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora gather on January 30, 2013 in Bern's railway station, Switzerland. Hospital clowns from around the world are on a week course in Rolle, western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits by professional artists called the "Clown/Giggle Doctors". SEBASTIEN BOZON/AFP/Getty Images

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora play with children at Zurich's main station during a trip on January 30, 2013 in Switzerland. Hospital clowns from around the world are spending a week course in Rolle, Western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits of professional artists termed the "Clown Doctors". SEBASTIEN BOZON/AFP/Getty Images

Around 2OO "Clown Doctors" or "Giggle Doctors" of the children care foundation Theodora gather at Bern's main station during a trip on January 30, 2013. Hospital clowns from around the world are spending a week course in Rolle, Western Switzerland. The Theodora foundation was created in 1993 with the goal of relieving the suffering of hospitalized children through regular visits of professional artists termed the "Clown Doctors". SEBASTIEN BOZON/AFP/Getty Images