Editor's note: Glass bridges have become increasingly popular in China. Some tourism sites have been competing in building the longest and highest skywalks in a bid to attract visitors. Are glass bridges a good idea? Forum readers share their opinions.

Seneca (Expat in China)

The pictures show how man-made structures destroy the serenity of natural landscapes. They mar the beautiful environment far off the main traffic ways and human settlements. If they were built within urban centres, there could be less to criticize them for. After all, it is a person's own decision to seek thrills. But to sacrifice the parks and hinterlands is a sacrilege.

A visitor poses for a photo on the glass bridge, in August. [Photo provided to chinadaily.com.cn]