Tech monthly readers' pictures: clusters

Young spiders in a huddle: Our top pic was captured by clenchpen2 and shows a huddle of young spiders 'spotted in the garden, just before they scattered'. The image was taken on a Canon 60D, 60mm macro lens, f8 1/125, ISO 400. Photograph: clenchpen2/GuardianWitness

Coral cluster, submitted by madidus Photograph: madidusmadidusmadidusmadidus/GuardianWitness

Broken ice in Cophenhagen harbour contributed by washboard101
Photograph: washboard101washboard101/GuardianWitness

Shoal of Jacks: 'I dropped into a massive ball of jacks on a dive trip to Sipadan Island, Malaysia. The island was popularised by Jacques Cousteau and is often cited as one of the top 10 dive sites in the world,' says pxguru Photograph: pxguru/GuardianWitness

A cluster of sheep: Taken with iPhone 4S with flash on, by Andreas Hatjoullis
Photograph: Andreas HatjoullisAndreas Hatjoullis/GuardianWitness

City workers captured by blueboy59 Photograph: blueboy59/GuardianWitness

Droplet cluster submitted by ahaselden Photograph: ahaselden/GuardianWitness

Lots of little houses: the view from Carlsberg Group HQ in Copenhagen over terraced houses in Vesterbro, in this second entry from washboard101 Photograph: washboard101/GuardianWitness

Tangled up in rust: contributor hogsvilleBrit noticed this bundle of steel rods at a building site Photograph: hogsvilleBrit/GuardianWitness

Then it rained: rorymcdonald gets an aerial view of a crowd in Prague Old Town waiting for the Astrological Clock to chime Photograph: rorymcdonald/GuardianWitness