Uncontrolled development spoils environment at tourist attractionsVietNamNet Bridge - The dark sides of massive tourism development include damage to natural landscapes and local culture. The dark sides of massive tourism development include damage to natural landscapes and local culture. The further they went into the central area, the more terrible was the noise. A big café in the central area marred the landscape. On their hotel balconies enjoying Tam Dao’s mountainous landscapes, the reporters could see only dusty construction sites and houses close together.