This is the laser!
The scene of the crop is still well known in rural areas of Bangladesh. From a distance, it seems that there is a whistlebank in the middle of the land. Actually, there is no people of any kind of flesh, it is a kakadarua.
Farmers have been using this 'weapon' to stop the hazardous damaged birds and birds in crop fields, since the beginning of the agricultural system. Kakadaruya is made with old clothes, any spills and bamboo in accordance with the human body. In many countries of the world, traditional protection of Kaktadhuya peasants in the fight against harmful birds.