Climate activist Sonam Wangchuk criticised the Ladakh administration for asking HIAL to halt activities at Desert Flower School in Phyang pending a High Court decision, questioning the move and highlighting the institution. Leh: Climate activist Sonam Wangchuk on Wednesday criticised the Ladakh administration over its notice asking the Himalayan Institute of Alternative Learning (HIAL) not to undertake any further activities at Desert Flower School in Phyang until the matter is decided by.