![Pianist-composer Alain Roche played his vertical piano during a performance on the occasion of an Open Day at the construction site of the future Theatre de Carouge, in Carouge near Geneva, Switzerland, Sunday, June 15, 2019. (Photo/IC)](http://www.ecns.cn/hd/2019/06/17/62dd39dd212240c9b30cae18ab560b1d.jpg)
Pianist-composer Alain Roche played his vertical piano during a performance on the occasion of an Open Day at the construction site of the future Theatre de Carouge, in Carouge near Geneva, Switzerland, Sunday, June 15, 2019. (Photo/IC)
![Pianist-composer Alain Roche played his vertical piano during a performance on the occasion of an Open Day at the construction site of the future Theatre de Carouge, in Carouge near Geneva, Switzerland, Sunday, June 15, 2019. (Photo/IC)](http://www.ecns.cn/hd/2019/06/17/075ccaac9d9a4028ac7930a9da764fc1.jpg)
Pianist-composer Alain Roche played his vertical piano during a performance on the occasion of an Open Day at the construction site of the future Theatre de Carouge, in Carouge near Geneva, Switzerland, Sunday, June 15, 2019. (Photo/IC)
![Pianist-composer Alain Roche played his vertical piano during a performance on the occasion of an Open Day at the construction site of the future Theatre de Carouge, in Carouge near Geneva, Switzerland, Sunday, June 15, 2019. (Photo/IC)](http://www.ecns.cn/hd/2019/06/17/b74adcbd21ac4568abb67be868366ba9.jpg)
Pianist-composer Alain Roche played his vertical piano during a performance on the occasion of an Open Day at the construction site of the future Theatre de Carouge, in Carouge near Geneva, Switzerland, Sunday, June 15, 2019. (Photo/IC)