here a selection of photos found on the web
you`ll find much more photos on 
Great Wall, Sanbu, China

Image from
Panoramio
is by
Rehal AlKhabar Wael AlDafaq
It may be worth noting that often family members and close friends, not necessarily lovers, also put such locks at these places, to lock their relationship forever.
Great Wall, Badaling, China

Image from
Flickr
is by
Alieh
President Richard Nixon during his historic journey to China visited this portion of the wall alongwith his wife, on February 24, 1972.
Mt. Hua, Huashan, China
It is one of the, Five Sacred Mountains of Taoism. The mountain is famous for steep peaks which are very difficult to climb.

Image from
Panoramio
is by
Liu Hongshi liuhs
Puning Temple, (commonly called the Big Buddha Temple) Chengde, China

Image from
travelblog.org
is by
Elizabeth Christie
Mt. Putuo, Putuoshan Island, China

Image from
Picasaweb
is by
Andrew
Mt. Tai, Taishan, China
The route to the peak of Taishan (Mt. Tai) has many temples. These temples and the railings along the route are the favourite spots for the loving couples to lock their lock of love.

Image from
Panoramio
is by
Sam Mintonye
This image of lovelocks was taken on way to the peak of Taishan (Mt. Tai)

Image from
Panoramio
is by
Hua Qing Hot Spring
This image was taken near the famous Confucius Temple located on a peak of Mt. Tai
Wulingyuan Scenic Area, Zhangjiajie

Image from
travelblog.org
is by
Elizabeth Christie

Image from
travelblog.org
is by
Elizabeth Christie
The path is leading to, reportedly the highest natural bridge in the world, often called heaven's gate.

Image from
travelblog.org
is by
Cheuk
This one was taken at a nearby area.
Keila-Joa, Estonia
On the railings of a pedestrian bridge near the waterfall.

Image from
Panoramio
is by
Duke1999
Two Lovers' Point, (Puntan dos Amantes) Tumon Bay, Guam

Image from
Flickr
is by
chotda
Szinva Terrace, Miskolc, Hungary

Image from
Panoramio
is by
FedorTamas
P�cs, Hungary

Image from
Panoramio
is by
Antissimo

Image from
Panoramio
is by
Bal�zs S�ndor
Tata, Hungary

Image from
Panoramio
is by
Napsugi
Bruneck (Brunico), Italy

Image from
Panoramio
is by
doc.pl(Gdansk)
Ponto Vecchio, Florence, Italy

Image from
Panoramio
is by
Pietro Rapisarda

Image from
Panoramio
is by
Pietro Rapisarda
Ponte Aragonese, Ischia, Italy

Image from
Flickr
is by
Underpuppy
Parco Sempione, Milan, Italy

Image from
Flickr
is by
Andrek
Napoli (Naples), Italy

Image from
Panoramio
is by
Maria Rosaria Penna

Image from
Panoramio
is by
Santhat
Via dell'amore, Riomaggiore, Italy

Image from
Panoramio
is by
�Luigi Petrazzoli
Ponte Milvio, Rome, Italy

Image from
Panoramio
is by
psetron
The condition of the pole due to overload can be clearly seen in this photo.

Image from
Panoramio
is by
gianni loperfido
The photo shows the present arrangement, where in locks are put on a chain and not on the lighting pole.
Siracusa-Ortigia Bridge, Sicily

Image from
Blah Blah Blog
is by
Linda (aka Lou)

Image from
Blah Blah Blog
is by
Linda (aka Lou)
Riga Park, Riga, Latvia

Image from
Panoramio
is by
alex_walker
Luzhkov bridge, Moscow, Russia

Image from
Panoramio
is by
Alexander Pototskiy
N Seoul Tower, Seoul, S Korea

Image from
Panoramio
is by
Meditation
The lovelocks have almost blocked view beneath.
Lovelock, Nevada, USA


Image from
Panoramio
is by
mitrom

Image from
Panoramio
is by
mitrom

|